日本东芝电子管器件株式会社；

Toshiba Electron Tubes and Devices Co. , Ltd.

科学家们认识到电子管的这些缺点之后，就探索别的途径来代替电子管所起的作用。

Scientists, realizing drawbacks of electron tubes, searched for other ways of doing jobs that electron tubes do.

体积小和消耗功率低，这两个重要因素使晶体管比电子管优越。

Small size and low power consumption are the two important factors that make transistors preferable to electron tubes.

真空电子管也要求以直流电压为电源.

Vacuum tubes require DC voltage sources as well.

晶体收音机的结构不像电子管收音机那么复杂.

A crystal receiver is a less complicated structure than valve receiver.

这篇报告总结了电子管 、 半导体和元件三方面的成就.

The report summed up the new achievements made in electron tubes, semiconductors and components.

丝极在一些电子管中形成阴极的高电阻的金属丝或金属带.

A high - resistance wire or ribbon forming the cathode in some thermionic tubes.

具有讽刺意味的是，一些困扰真空电子管并导致其接近死亡的问题，现在在晶体管产品中却挥之不去。

Ironically, some of the problems that plagued vacuum tubes and lead to their near-demise now haunt transistorized products.

铯遇水发生爆炸性反应，极易与氧化合，因而被用作电子管的吸气剂。

It reacts explosively with cold water and is used to scavenge traces of oxygen and other gases in electron tubes.

晶体检波器不久即被热电子管所代替，到1939年已大部分变成了废物。

The crystal detector was soon replaced by the thermionic value and had largely become obsolete by1939.