The abnormal block and black round structure of 50 axletree steel was studied and analyzed using optical microscopy, transmission electron microscopy, electron probe and so on.

用光学显微镜、透射电子显微镜以及电子探针等现代材料试验手段对50钢中存在的大块黑色团状异常组织进行了研究和分析。

youdao

Probe senses the arc automatically, and LCD screen turns black quickly, It is safe, reliable, and won't damage your eyes.

探头自动感应弧光，液晶光屏迅速变黑，安全、可靠，不会对对眼睛造成伤害。

youdao

The paper studies the black stains in the surface of CP wire in detail by means of electron probe.

利用电子探针对CP线表面黑斑进行了详细的分析研究，指出黑斑产生的主要原因是由于厌氧胶的氧化分解，提出了解决黑斑的方法。

youdao

The thought that the Bush administration may have instigated the probe, whether true or not, outrages many voters black, white, liberal and even, occasionally, Republican.

ECONOMIST: The Philadelphia mayor's race: Enter the FBI | The