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abbreviation.id | abbreviation.ts | abbreviation.initial | abbreviation.meaning | abbreviation.category_1_x_abbreviation_id |
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1 | 2018-04-18 23:12:30 | A | Area (symbolized A ) is a two-dimensional quantity representing amount or extent of surface. The standard unit of area in the International System of Units ( SI ) is the meter squared (m 2 ). | { "1": { "category_1_x_abbreviation.id": 1, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
2 | 2018-04-18 23:12:37 | A esu | The statampere (abbreviated statA or A-esu) is the unit of electric current in the cgs (centimeter/gram/second) system of electrostatic units (esu). It is the equivalent of one statcoulomb (1 statC), also called one electrostatic unit (1 esu), of charge carriers moving past a specific point in one second. | { "2": { "category_1_x_abbreviation.id": 2, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
3 | 2018-04-18 23:12:40 | A Plus | A-Plus (A+) is the name of a process, developed by the Computing Technology Industry Association (CompTIA), a large trade group, that certifies individuals for knowledge about and competency in installing, maintaining, customizing, and operating personal computers. The examination is in two parts, the first covering computer hardware and software in general and the second covering a specific operating system, such as Windows 98. The exam is administered by Drake Parametric and there is a fee. A number of companies provide in-house or self-taught preparation for the exam. |
{ "3": { "category_1_x_abbreviation.id": 3, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
4 | 2018-04-18 23:12:44 | A Programming Language | APL (A Programming Language) is a general-purpose, third-generation (3GL) programming language that allows certain data manipulations to be expressed with a special non-ASCII set of symbols, resulting in programs that are shorter than would be possible using most other languages. APL's notation allows matrix manipulation as well as recursion functions to be built into simple expressions rather than requiring multiple language statements. APL is more frequently thought of as a language for scientific computation, but it can be used for other purposes as well. Programs can be developed interactively and are usually interpreted rather than compiled. The special symbols require keyboard support and specific editors so that the symbols can be displayed and printed. |
{ "4": { "category_1_x_abbreviation.id": 4, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
5 | 2018-04-18 23:12:47 | A Symphony of Lights | A Symphony of Lights is a multimedia event in Hong Kong featuring a spectacular lighting display synchronized to orchestral music. The display encompasses 44 buildings on both sides of the city's Victoria Harbour. The event has been certified by Guiness as the world's largest permanent light and music show. | { "5": { "category_1_x_abbreviation.id": 5, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
6 | 2018-04-18 23:12:54 | a vacuum | The permeability of free space (a vacuum ) is a physical constant equal to approximately 1.257 x 10 -6 henry per meter . It is symbolized µ o . Permeability in general is symbolized µ, and is a constant of proportionality that exists between magnetic flux density and magnetic field strength in a given medium. In certain metals, notably iron and nickel and alloys containing them, µ is substantially greater than µ o . |
{ "6": { "category_1_x_abbreviation.id": 6, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
7 | 2018-04-18 23:12:56 | A+ | A-Plus (A+) is the name of a process, developed by the Computing Technology Industry Association (CompTIA), a large trade group, that certifies individuals for knowledge about and competency in installing, maintaining, customizing, and operating personal computers. The examination is in two parts, the first covering computer hardware and software in general and the second covering a specific operating system, such as Windows 98. The exam is administered by Drake Parametric and there is a fee. A number of companies provide in-house or self-taught preparation for the exam. |
{ "7": { "category_1_x_abbreviation.id": 7, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
8 | 2018-04-18 23:12:59 | A+ (A Plus) | A-Plus (A+) is the name of a process, developed by the Computing Technology Industry Association (CompTIA), a large trade group, that certifies individuals for knowledge about and competency in installing, maintaining, customizing, and operating personal computers. The examination is in two parts, the first covering computer hardware and software in general and the second covering a specific operating system, such as Windows 98. The exam is administered by Drake Parametric and there is a fee. A number of companies provide in-house or self-taught preparation for the exam. |
{ "8": { "category_1_x_abbreviation.id": 8, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
9 | 2018-04-18 23:13:00 | A-esu | The statampere (abbreviated statA or A-esu) is the unit of electric current in the cgs (centimeter/gram/second) system of electrostatic units (esu). It is the equivalent of one statcoulomb (1 statC), also called one electrostatic unit (1 esu), of charge carriers moving past a specific point in one second. | { "9": { "category_1_x_abbreviation.id": 9, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
10 | 2018-04-18 23:13:06 | A-Law | A-Law is the standard codec (compression/decompression) algorithm for pulse code modulation (PCM) from the ITU-T (the Telecommunication Standardization Sector of the International Telecommunications Union). A-Law is the type of PCM used in most of the world. The other type, mu-Law, is used in the United States and Japan. | { "10": { "category_1_x_abbreviation.id": 10, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
11 | 2018-04-19 01:17:58 | A-Plus | A-Plus (A+) is the name of a process, developed by the Computing Technology Industry Association (CompTIA), a large trade group, that certifies individuals for knowledge about and competency in installing, maintaining, customizing, and operating personal computers. The examination is in two parts, the first covering computer hardware and software in general and the second covering a specific operating system, such as Windows 98. The exam is administered by Drake Parametric and there is a fee. A number of companies provide in-house or self-taught preparation for the exam. |
{ "11": { "category_1_x_abbreviation.id": 11, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
12 | 2018-04-19 01:18:05 | A-weighted decibels | A-weighted decibels, abbreviated dBA, or dBa, or dB(a), are an expression of the relative loudness of sounds in air as perceived by the human ear. In the A-weighted system, the decibel values of sounds at low frequencies are reduced, compared with unweighted decibels, in which no correction is made for audio frequency. This correction is made because the human ear is less sensitive at low audio frequencies, especially below 1000 Hz, than at high audio frequencies. |
{ "12": { "category_1_x_abbreviation.id": 12, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
13 | 2018-04-19 01:18:07 | A-weighted decibels (dBA, or dBa, or dB... | A-weighted decibels, abbreviated dBA, or dBa, or dB(a), are an expression of the relative loudness of sounds in air as perceived by the human ear. In the A-weighted system, the decibel values of sounds at low frequencies are reduced, compared with unweighted decibels, in which no correction is made for audio frequency. This correction is made because the human ear is less sensitive at low audio frequencies, especially below 1000 Hz, than at high audio frequencies. |
{ "13": { "category_1_x_abbreviation.id": 13, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
14 | 2018-04-19 01:18:14 | a.f. | See also RF (radio frequency). | { "14": { "category_1_x_abbreviation.id": 14, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
15 | 2018-04-19 01:18:22 | A.I. | The Airborne Internet is a proposed network in which all nodes would be located in aircraft. The network is intended for use in aviation communications, navigation, and surveillance (CNS) and would also be useful to businesses, private Internet users, and government agencies, especially the military. In time of war, for example, an airborne network might enable military planes to operate without the need for a communications infrastructure on the ground. Such a network could also allow civilian planes to continually monitor each other's positions and flight paths. |
{ "15": { "category_1_x_abbreviation.id": 15, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
16 | 2018-04-19 01:18:30 | A/B testing (split testing) | A/B testing, sometimes called split testing, is an assessment tool for identifying which version of something helps an individual or organization meet a business goal more effectively. A/B testing is commonly used in web development to ensure that changes to a webpage or page component are driven by data and not personal opinion. | { "16": { "category_1_x_abbreviation.id": 16, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
17 | 2018-04-19 01:18:34 | A/m | The ampere per meter (symbolized A/m) is the International Unit of magnetic field strength. It is derived from basic standard units, but is expressed directly in base units and cannot be further reduced. | { "17": { "category_1_x_abbreviation.id": 17, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
18 | 2018-04-19 01:18:39 | A/m 2 | The ampere per meter squared, symbolized A/m 2 , is the International Unit of electric current density . A current density of 1 A/m 2 represents one ampere of electric current flowing through a material with a cross-sectional area of one square meter. | { "18": { "category_1_x_abbreviation.id": 18, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
19 | 2018-04-19 01:18:42 | A/m squared | The ampere per meter squared, symbolized A/m 2 , is the International Unit of electric current density . A current density of 1 A/m 2 represents one ampere of electric current flowing through a material with a cross-sectional area of one square meter. | { "19": { "category_1_x_abbreviation.id": 19, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
20 | 2018-04-19 01:18:50 | A/V | AV, an abbreviation for audio/video, is frequently used as a generic term for the audio and video components and capabilities in home entertainment system and related product descriptions and reviews. | { "20": { "category_1_x_abbreviation.id": 20, "category_1.id": 1, "category_1.ts": "2018-04-17 04:02:28", "category_1.title": "A" } } |
abbreviation.id | abbreviation.ts | abbreviation.initial | abbreviation.meaning | abbreviation.category_1_x_abbreviation_id |