| 词汇 | black box |
| 释义 | black box noun 1 in an aeroplane, the container and equipment used for the automatic recording of all flight data and cockpit conversation. A specialised use of Royal Air Force slang UK, 1964. 2 the notional container in which proprietary technical information is secured in dealings over industrial property rights US, 1974. 3 any high technical piece of electronics equipment US, 1945. 4 a hearse UK, 1981. 5 a linear amplifier for a citizens' band radio. Sometimes embellished as 'little black box' US, 1976 black box1. The device in an airplane that records flight audio and data. Once the black box is recovered from the wreckage, it will give us more insight into what caused the crash. 2. Any sort of system or device with inner workings that are difficult to understand. Does anyone outside of the IT department really understand how this black box works? a black boxYou can call a process or system a black box when you know that it produces a particular result but you do not understand how it works. What steroids do is currently something of a black box. The firm's investment success lies in its black box of formulas which identify trends. Note: In an electronic or computer system, a black box is a self-contained part. You can understand its function without knowing anything about how it works. black boxan automatic apparatus, the internal operations of which are mysterious to non-experts.Black does not refer to the colour of the device but to the arcane nature of its functions. Originally Royal Air Force slang for a navigational instrument in an aircraft, the phrase is now used in aviation specifically to refer to the flight recorder. |
| 随便看 |
|
青年旅行网英语在线翻译词典收录了440382条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。