电信专业英英词典B-1
B-Mac - This is a method of transmitting and scrambling 1 television signals; the are time-multiplexed with a digital burst that contains digitized sound, video synchronizing 2, authorization 3, or information.
Backdoor - A way of getting into a guarded system without using the required password.
Backlog 4 - The amount of work in process in the factory; it is usually expressed in terms of sales (sales backlog) or satellites (satellite backlog).
Backslash - This is the character "\".
Backspace - This is the command that causes the cursor on your screen to move back one space, and it can or cannot delete characters.
Band Pass Filter - A circuit that will allow signals within a desired frequency band to pass through but prohibits signals outside this frequency band from penetrating 5.
Bandwidth - The range of frequencies, expressed in hertz (Hz), that can pass over a given transmission channel (thus, determining the rate at which information can be transmitted). In satellite based systems a larger bandwidth of 17.5 to 72 MHz is used to spread the television signal; this helps to prevent interference.
Baseband - The basic direct output signal, which is in an intermediate frequency base and is obtained directly from a television camera, satellite TV receiver, or video recorder.
Baud - The rate of data transmission; it is based on the number of signal elements transmitted in a second. The term comes from the scientist J. M. E. Baudot.
BBS - This is an acronym 6 for Bulletin Board Systems, which typically allow users to leave messages for other users.
Beacon 7 - Relatively 8 low-power carrier transmitted by a satellite, allowing the controlling engineers on Earth to monitor telemetry data or track the satellite.
Beamwidth - The angle or conical shape of the beam that the antenna 9 projects. Since larger antennas 10 have narrower beamwidths, they can pinpoint 11 satellites in space or in dense 12 traffic areas on the earth with more precision.
Bell 103 - This is an AT&T specification 13 for a modem 14 at speeds of up to 300 bps (bits per second). This is the most common standard for modems 15 in PCs.
Bell 201 - The AT&T standard for 2400 bps modems.
Bell 202 - The AT&T standard for 1800 bps modems.
Bell 208 - The AT&T standard for 4800 bps modems.
Bell 209 - The AT&T standard for 9800 bps modems.
Bipropellant - Propellants are the fuel used in satellite propulsion systems. Bipropellant means that two fuels are used.
BISYNC - This refers to bisynchronous transmission.
- Scrambling up her hair, she darted out of the house. 她匆忙扎起头发，冲出房去。 来自《现代英汉综合大词典》
- She is scrambling eggs. 她正在炒蛋。 来自《简明英汉词典》
- How to monitoring synchronizing error, and using 80196KC to control exciter. 以及同步电动机失步检测及以80196KC进行控制的方法。 来自互联网
- A synchronizing labyrinth must be created at a special, predetermined place. 同步迷宫必须建立在一个特殊的，预先确定的地方。 来自互联网
- Anglers are required to obtain prior authorization from the park keeper.垂钓者必须事先得到公园管理者的许可。
- You cannot take a day off without authorization.未经批准你不得休假。
- It will take a month to clear the backlog of work.要花一个月的时间才能清理完积压的工作。
- Investment is needed to reduce the backlog of repairs.需要投资来減轻积压的维修工作。
- He had an extraordinarily penetrating gaze. 他的目光有股异乎寻常的洞察力。
- He examined the man with a penetrating gaze. 他以锐利的目光仔细观察了那个人。
- That's a mouthful of an acronym for a very simple technology.对于一项非常简单的技术来说，这是一个很绕口的缩写词。
- TSDF is an acronym for Treatment, Storage and Disposal Facilities.TSDF是处理，储存和处置设施的一个缩写。
- The blink of beacon could be seen for miles.灯塔的光亮在数英里之外都能看见。
- The only light over the deep black sea was the blink shone from the beacon.黑黢黢的海面上唯一的光明就只有灯塔上闪现的亮光了。
- The rabbit is a relatively recent introduction in Australia.兔子是相对较新引入澳大利亚的物种。
- The operation was relatively painless.手术相对来说不痛。
- The workman fixed the antenna to the roof of the house.工人把天线固定在房顶上。
- In our village, there is an antenna on every roof for receiving TV signals.在我们村里，每家房顶上都有天线接收电视信号。
- Marconi tied several antennas to kites. 马可尼在风筝上系了几根天线。 来自超越目标英语 第3册
- Radio astronomy today is armed with the largest antennas in the world. 射电天文学拥有世界上最大的天线。
- It is difficult to pinpoint when water problems of the modern age began.很难准确地指出，现代用水的问题是什么时候出现的。
- I could pinpoint his precise location on a map.我能在地图上指明他的准确位置。
- The general ambushed his troops in the dense woods. 将军把部队埋伏在浓密的树林里。
- The path was completely covered by the dense foliage. 小路被树叶厚厚地盖了一层。
- I want to know his specification of details.我想知道他对细节的详述。
- Examination confirmed that the quality of the products was up to specification.经检查，产品质量合格。
- Does your computer have a modem?你的电脑有调制解调器吗？
- Provides a connection to your computer via a modem.通过调制解调器连接到计算机上。