查询词典 electron tube

An electron tube used to amplify or generate ultrahigh frequency by means of velocity modulation .

在磁表面存储技术中一种表示数据的方法，例如改进型调频制。

The phototube, a very special type of electron tube, is the heart of the talking-picture projector.

光电管，一种非常特殊的电子管，是有声电影放映机的心脏。

An electron tube used to generate or amplify electromagnetic radiation in the microwave region by velocity modulation .

通过速率的调制在微波波段产生或增强电磁辐射的电子管。

An electron tube having a cathode and an anode.

一种使用阴极射线管的显示装置。

Applications of this method in an electron tube amplifier and oscillator arc discussed.

本文指出此种关系之存在，并引用於电子管放大器及振荡器中相角之测量。

It joins rapidly, keeps in touch with the characteristic such as being reliable, apply to the radio equipment and electron tube instrument field and join the coaxial cable of the radio frequency

它具有连接迅速，接触可靠等特点，广泛应用于无线电设备和电子仪器领域连接射频同轴电缆。

It joins rapidly, keeps in touch with the characteristic such as being reliable, apply to the radio equipment and electron tube instrument field and join the coaxial cable of the radio frequency extensively.

它具有连接迅速，接触可靠等特点，广泛应用于无线电设备和电子仪器领域连接射频同轴电缆。

When I came home from school I would turn on the electron tube radio that my elder sister kept at home to listen to Russian broadcasting from Radio Beijing, although I understood only few sentences in all.

尽管始终没有听懂过几句完整的句子。

This phenomenon was called the Edison effect, become electron tube and electronic industries.

在这个实验室里，他打破了以往科学家个人独自从事研究的传统，组织一批专门人才

This phenomenon was called the Edison effect, become electron tube and electronic industries. 1887, from Xiaolan government, and in the same year in a larger city, the laboratory equipment is also updated the famous Edison Laboratory (later known as the invention factory).

这种现象后来称为爱迪生效应，成为电子管和电子工业的基础。1887年，移居西奥兰治，并于同年在该市创建规模更大、装备也更新的实验室，即著名的爱迪生实验室。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。