This design is more complex than the other two options since the system will have to track two time intervals.

该设计比其它两个选项更复杂，因为系统将不得不跟踪两个时间区间。

youdao

And now you will understand how we define the instantaneous velocity at time t which is different from an average velocity between two time intervals.

现在明白了吗，t时刻，的瞬时速度是怎样定义的，与两时刻间的平均速度相比，瞬时速度并不一样。

youdao

The scientists analyzed the two volcanoes' magma temperatures, chamber sizes, and other physical features to come up with rough time intervals between the first warning signs and the actual eruptions.

科学家们分析了这两座火山的岩浆温度，岩浆库体积和其它物理特征，进而得出火山喷发的第一次预警信号到最终喷发之间的时间间隔。

youdao

Having spent thirty years recording my time in 15 minute intervals, the concept of a project extending over two decades is mind boggling.

FORBES: Who Will Play Margaret Fuller When The Movie Comes Out ?

If the market is in a bear cycle, try dollar cost averaging (especially for larger portfolios), but keep the time frame relatively short, no more than three months, preferably in two week intervals between buys.

FORBES: Low Volatility Funds May Not Be As Low Risk As You Think