hard glass的用法和樣例：
例句
- The random atomic arrangement in the amorphous glass of optical fibers keeps the Raman effect small.
光纖的非晶質(zhì)玻璃中，原子為隨機排列，因此拉曼效應相當小。 - The diode chip is coated with a thin layer of hard glass which eliminates the need for a hermetically sealed package.
二極管片涂上一薄層硬玻璃，所以無(wú)需再用密封的管殼。
