电信专业英英词典G-1

 

　　Gain - This is an increase in signal power, due to a boost from an electronic device.

　　Garbage - These are unwanted characters that appear because of either incorrect settings or noise.

　　Gate - These are (1) devices that are used to handle many incoming phone calls, and (2) circuits on silicon¹ chips.

　　Gateway² - This is an entrance into and exit from a network.

　　Gauge³ - This is a measurement of the thickness (diameter) of wire or cable.

　　General Call - A general inquiry⁴ call —— the letter CQ in the international code.

　　GEO - see Geostationary Earth Orbit.

　　Geostationary Earth Orbit (GEO) - When positioned in this orbit, a satellite appears to be fixed⁵ in space from the Earth because it is moving at the same speed as Earth is rotating (see Clarke orbit).

　　Geosynchronous - The position in space (at an altitude of 22,237 miles) where the speed of the satellite matches the speed of Earth's rotation⁶.

　　GFCI or GFI - see Ground Fault Circuit Interrupter.

　　Gigabit - One billion bits.

　　Gigabyte - A measurement of bytes equal to 2 raised to the 30th power (i.e., 1,073,741,824 bytes).

　　Gigahertz (GHz) - A measure of frequency: one billion cycles per second.

　　Global Positioning System (GPS) - This is a system of 21 satellites, maintained by the US Government, that allows a user to figure out precisely⁷ where he or she is on Earth.

　　Google - The world's current dominating search engine.

　　Googolbyte - This is 10 raised to the 100th power bytes.

　　GPS - see Global Positioning System.

　　Gravity - This is one of the four physical forces in the universe (the others being the electromagnetic force, and strong and weak nuclear forces); specifically it is the force of attraction that exists between all masses in the universe. It is proportional to the masses of the two bodies and inversely⁸ proportional to the square of the distance between them.

　　Gregorian Dual⁹ - This is a reflector antenna¹⁰ system that uses a parabolic main reflector and a concave ellipsoidal sub-reflector.

1 silicon   

n.硅(旧名矽)

参考例句：

• This company pioneered the use of silicon chip.这家公司开创了使用硅片的方法。
• A chip is a piece of silicon about the size of a postage stamp.芯片就是一枚邮票大小的硅片。

2 gateway   

n.大门口，出入口，途径，方法

参考例句：

• Hard work is the gateway to success.努力工作是通往成功之路。
• A man collected tolls at the gateway.一个人在大门口收通行费。

3 gauge   

v.精确计量；估计；n.标准度量；计量器

参考例句：

• Can you gauge what her reaction is likely to be?你能揣测她的反应可能是什么吗？
• It's difficult to gauge one's character.要判断一个人的品格是很困难的。

4 inquiry   

n.打听，询问，调查，查问

参考例句：

• Many parents have been pressing for an inquiry into the problem.许多家长迫切要求调查这个问题。
• The field of inquiry has narrowed down to five persons.调查的范围已经缩小到只剩5个人了。

5 fixed   

adj.固定的，不变的，准备好的；(计算机)固定的

参考例句：

• Have you two fixed on a date for the wedding yet?你们俩选定婚期了吗？
• Once the aim is fixed,we should not change it arbitrarily.目标一旦确定，我们就不应该随意改变。

6 rotation   

n.旋转；循环，轮流

参考例句：

• Crop rotation helps prevent soil erosion.农作物轮作有助于防止水土流失。
• The workers in this workshop do day and night shifts in weekly rotation.这个车间的工人上白班和上夜班每周轮换一次。

7 precisely   

adv.恰好，正好，精确地，细致地

参考例句：

• It's precisely that sort of slick sales-talk that I mistrust.我不相信的正是那种油腔滑调的推销宣传。
• The man adjusted very precisely.那个人调得很准。

8 inversely   

adj.相反的

参考例句：

• Pressure varies directly with temperature and inversely with volume. 压力随温度成正比例变化，与容积成反比例变化。 来自《简明英汉词典》
• The amount of force needed is inversely proportional to the rigidity of the material. 需要的力度与材料的硬度成反比。 来自《简明英汉词典》

9 dual   

adj.双的；二重的，二元的

参考例句：

• The people's Republic of China does not recognize dual nationality for any Chinese national.中华人民共和国不承认中国公民具有双重国籍。
• He has dual role as composer and conductor.他兼作曲家及指挥的双重身分。

10 antenna   

n.触角，触须；天线

参考例句：

• 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。