电子管

The electron tube cooling system is made by the two-water cycling, which can reach the maximum product life.

电子管的冷却系统用双水循环制成，从而使共有最长的使用寿命。

A network or coil of fine wires located between the plate and the filament in an electron tube.

栅极：在电子管中线极和阳极之间的由导电性很好的电线组成的网络或线圈

Specialize in high frequency and shake the eyes law of the electron tube and modernized share-issuing enterprise of production.

是专门从事高频震荡电子管眼法和生产的现代化股份制企业。

At age 22, Armstrong took Lee de Forest's new invention, the electron tube, and redesigned it.

在年龄22，阿姆斯壮采取了李de Forest 的新发明，电子管，和再了设计它。

Within the last few decades, the electron tube has been largely replaced by the transistor .

在近几十年里，电子管已大大为晶体管所取代。

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

速调管一种用速度调节的方法放大或产生超高频率的电子管。

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。

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。

ENIAC required huge amounts of power to operate, and the tubes frequently burned out or failed.

ENIAC需要大量的电力，并且电子管经常被烧坏。

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％。