Microcrystallography
微晶学; 显微结晶学; 显微晶体学
🗣️ 情景例句
Rome wasn't built in a day.
冰冻三尺，非一日之寒。
What are you trying to pull?
你在玩什么把戏？
This depends on the precise radio frequency of the 21-cm wavelength, or 1420 megacycles per second.
这种通讯联系要靠21厘米波段，即每秒1420兆周的精确无线电频率。