English translation for "副频率标准"

secondary frequency standard

Similar Words：

"副偏斜" English translation, "副片" English translation, "副片麻岩" English translation, "副片麻岩水成片麻岩" English translation, "副片岩" English translation, "副品" English translation, "副品红" English translation, "副品红恩波酸盐" English translation, "副品红碱" English translation, "副品红无色母体" English translation