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frequency standard
释义
frequency standard
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的,且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
>原子与分子物理学>冷原子分子物理>释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
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