In semiconductor receivers transistors take the place of vacuum tubes.

在半导体收音机中晶体管代替了真空管.

《现代汉英综合大词典》

Being small and light makes transistors more advantageous to vacuum tubes.

由于尺寸小,重量轻,晶体管优于真空管.

互联网

Main Purpose: spark plug, electronic substrate, electric vacuum tubes, ceramic boby, etc.

主要用途: 火花塞 、 电子基片 、 电真空管 、 陶瓷基体 、 高级耐火材料等.

互联网

Vacuum tubes require DC voltage sources as well.

真空电子管也要求以直流电压为电源.

互联网

Living creatures can't survive in vacuum tubes.

生物被放进真空管里是不能存活的.

互联网

The two active devices were vacuum tubes.

这两个有源器件为电子管.

互联网

In 1947, computers were big, room - sized machellones operating on mechanical relays and glowing vacuum tubes.

1947年, 计较机很是复杂, 房间那末大的呆板路程经过过程机械传动举行操作,真空管进交运算.

互联网

The technic has been successfully adopted in the manufacture of microwave vacuum tubes.

这一工艺已成功应用于产品的批量生产.

互联网

Before transistors appeared, large and heavy vacuum tubes were used in all radio sets.

晶体管出现之前, 所有收音机都用又大又重的真空管.

互联网

In 1947, computers were big, room - sized machines operating on mechanical relays and glowing vacuum tubes.

在1947年, 电脑还是非常的大, 发热的真空电子管和机械传动运转着房间大小的机器.

互联网

In 1947 , computers were big, room - sized machines mechanical relays and glowing vacuum tubes.

1947年, 计算机还是一种由真空管驱动的, 有房子那么大的机器.

互联网

These silicon switches were much smaller than the vacuum tubes used in early circuitry.

这些硅晶开关比用于早期电路的真空管要小得多.

互联网

The machine was huge; it weighed 30 tons and contained over 18,000 vacuum tubes.

这台机器极其庞大, 重达30吨,而且包含18,000多个真空管.

互联网