查询词典 vacuum

In this case, electrons accelerated by the laser have exited the target, and form an electron cloud in vacuum at the rear surface of the target.

第三群高能离子的这种加速机制称为TNSA加速机制，这种机制只可能在超短超强激光脉冲辐照的条件下才能起作用。

The electron gun is in a vacuum system of 10－4 Pa.

系统的总时间脉宽设计为358 fs。

In the vacuum system, the heat radiation is the main factor to affect the temperature of each point of the filament in area source electron gun.

在真空系统中，热辐射是影响面源电子枪灯丝各点温度的主要因素。

In the course of several decades of development, the company to strong comprehensive strength, in electron optics, ion optics and vacuum technology and engineering physics and other fields has made many achievements in scientific research, many times awarded the country, Academy of Sciences and the relevant departments to reward.

在数十年的发展历程中，公司以雄厚的综合实力，在电子光学、离子光学和真空物理的技术工程等领域取得了众多科研成果，多次荣获国家、科学院及相关部门奖励。

During those ten years' development, relying on powerful comprehensive strength, the company gained plenty of scientific research achievements in electron optics, ion optics, and technical engineering of vacuum physics, etc, and was awarded by the government, CAS, and relative departments.

在数十年的发展历程中，公司以雄厚的综合实力，在电子光学、离子光学和真空物理的技术工程等领域取得了众多科研成果，多次荣获国家、科学院及相关部门奖励。

His most famous invention was the vacuum tube, or electron tube.

他最著名的发明是真空管或电子管。

An electron tube is generally used for amplification, and vacuum tube is another +name for this device.

电子管通常用来放大，而真空管则是电子管的另一名称。

Impregnation behavior of fluids across the unidirectional weave stacks in the transverse direction of fibers under vacuum pressure was investigated elementally by using self-designed tools, and parameters of the operational method were standardized by a series of experiments.

使用自行设计的装置对真空压作用下液体沿单向织物厚度铺层方向的渗透特性进行了初步研究，通过一系列实验对设备和操作方法进行了规范。

There are interactions between the elementary particle and vacuum.

基本粒子与真空是相互关联和相互作用的统一体。

The results show that there is no environmental embrittlement for the ordered Ni3Fe in vacuum.

结果表明：具有不同有序度的Ni_3Fe在真空中拉伸时，均不发生环境氢脆；但在氢气中氢对其有强烈的脆化作用，且其敏感性随着有序度的增加而加剧。

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％。