These methods such as withdrawal narrow neck of seed, setting feasible temperature field, cont rolling the crystal growth ratio and reducing vibration of machine are presented.
例如，通过缩细颈，布置合理的温场，控制晶体的生长速率和减少机械振动等方法。
Analyzed the principle of slow light propagation in Ruby crystal and it's experiment setting, observed the phenomena of slow light propagation.
分析红宝石晶体中的光速减慢原理及实验装置，观测到极慢光速现象。
Uses the microcomputer and the back light liquid crystal display monitor as the man-machine operation interface, has the ration setting, reset and the ration production function.
采用微计算机及背光液晶显示屏作为人机操作界面，具有定量设定、清零与定量生产功能。
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