本文对珠光体球铁常温下小能量多次冲击断口进行了宏观和微观的分析；提供了一组珠光体球铁小能多冲断口微观形貌的电子显微镜照片；
This paper presents the macro and micro analysis of pearlite ductile iron small energy multiimpact fracture surface a group of it's microscope photographs are supplied.
利用电子显微镜拍出的昆虫和其他动物的照片非常有趣。
Some of the most intriguing images are those of insects and other animals.
以H- 8 0 0型透射电子显微镜为例，从电镜样品的制备、电镜操作及暗室操作几个方面入手，介绍拍摄出一张高质量的透射电镜照片的经。
Taking H-800 TEM for an example, considering from the production of TEM (Transmission Electron Microscope) sample, operation of TEM and operating in darkroom etc.
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