Periodic changes in Earth's orbit could affect Earth's climate.

地球轨道的周期性变化会影响地球的气候。

youdao

Besides these, the statistics tells us that flocculi brightness may have 1-2~d periodic changes before the outbursts of flares.

此外，统计还显示出许多耀斑爆发前谱斑亮度可能有着1—2天的周期性变化。

youdao

Analyzing the sequence of the parameters by the power and cross spectra yields main periodic changes of quasi-two-week oscillation.

对三参数序列应用功率谱和交叉谱分析得出，其主要周期变化为准两周振荡。

youdao

Standard deviation also adjusts for periodic changes in scheduling balance over the years, such as the breakdown of each league into two (and then three) divisions, and interleague play.

FORBES: The Best and Worst Baseball Teams of All Time