方法：采用荧光显微镜、电子显微镜、激光扫描共聚焦显微镜、流式细胞分光光度计和DNA凝胶电泳等方法和技术观察细胞凋亡。

Method: Using fluorescence microscopy, electron microscopy, laser scanning confocal microscopy, flow cytometry and DNA gel electrophoresis to demonstrate the presence of apoptosis.

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对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。

In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.

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