电子发射器件，电子源，图像形成装置，以及制造电子发射器件和电子发射装置的方法。
Electronic transmitting device, electron source, image forming device, method for producing electronic transmitting device and electronic transmitter.
新的探测器在建造时使用了改进的电子设备和电池组，并且添加了新的的雷达高度计，这是一种发射微波测定两极冰层厚度的装置。
The new probe was built using improved electronics and batteries, and an extra radar altimeter, a device that will fire microwaves at the arctic and Antarctic ice to reveal its thickness.
电子发射元件，电子源，图象显示装置及制造方法。
Electronic transmitting element, electron source, image display device and manufacture method thereof.
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