photo-tube的意思|示意

The interior of the tube must be kept a hard vacuum to preserve the photo cathode.

显象管内部一定要保证高真空才能保护光电阴极。

Photo Gallery: Plate Tectonics an eelpout fish swims near tube worms at the Mid-Atlantic Ridge in the Atlantic Ocean.

板块构造图片美术馆。一条粘鱼类游近管蠕虫在中大西洋山脊在大西洋。

Xenon flash tube, xenon strobe tube, modeling lamp can bePhotography light Bulb, LEDused: 1 (Photo Studio) Flash, subsidies, cold light equipment.

闪光灯管，频闪灯管，氙气灯管，造型灯泡的用途：闪光灯管，频闪灯管，氙气灯管，造型灯泡可用于1（影楼）闪光灯、补助、冷光器材等。

A new single-tube dynamic photo-electric microscope with the characteristics of small, light and high accuracy was presented.

本文介绍了作者研制的一种体积小、重量轻、结构简单而精度又较高的新型单管动态光电显微镜。

Electric contacts, magnetic turnover plate, photo-control liquid level controllers, accumulators, Nitrogen-filling vehicle, gas-filling tools, stop valves and high-pressure rubber tube assembly.

电接点、磁翻板、光控液位控制器、滤清器、充氮车、充气工具、截止阀、高压胶管总成。

The Modulation Transfer Function(MTF) of X-ray tube focal sPOt and its size are the main parameters, which can be used to describe the photo function of X-ray tube focal spots.

线管焦点的调制传递函数（MTF）和焦点尺寸是描述X线管焦点成像性能的主要参数。