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今天是:

first-order cycle是什么意思


中文翻译一级周期

网络释义

1)first-order cycle,一级周期2)third-order cycle,三级周期3)one year cyclic vibration,一年周期4)one-period,一(个)周期5)in the course of a week,一周期间6)bus cycle accuracy,周期精确级

用法例句

    The variation of ozone density is of an obvious one year cyclic vibration, shown as the seasonal variation.

    4×10~(18)cm~(-2);臭氧浓度有明显的一年周期震荡,表现为季节变化:平流层中上层臭氧浓度夏季高冬季低;平流层下层臭氧浓度夏季低冬季高。