hard glass

• 硬质玻璃,硬化玻璃

hard glass的用法和样例：

例句

1. The random atomic arrangement in the amorphous glass of optical fibers keeps the Raman effect small.
   光纤的非晶质玻璃中，原子为随机排列，因此拉曼效应相当小。
2. The diode chip is coated with a thin layer of hard glass which eliminates the need for a hermetically sealed package.
   二极管片涂上一薄层硬玻璃，所以无需再用密封的管壳。