这两次周期中回调的规模，都与去年的跌幅类似。
Both mid cycle corrections were similar in size to last year's weakness.
这两次周期也都与全球陷入严重衰退有关。
不过，也有人说，这只不过是一次周期性变化。
But there are those who say that this is just another cycle.
其他学者则预测这将会是有记录以来太阳周期中活动最频繁的一次。
Others predicted that it would be the most active solar cycle on record.
在一个周期中，常常为每年一次监督审核。
In one cycle, there has often been one Surveillance Audit a year.
我们的杂志，最初是跟随时尚的周期，这意味着每年有两次。
Our magazine originally followed the fashion cycle, which means twice a year.
主要结果是：当高次项是奇数次齐次多项式时，周期函数是单调增加的；
The main results are. the period function is increasing when the higher degree is odd;
一次仪器更换至多必须有五年的偿还周期。
A replacement instrument must have, at most, a five-year payback period.
每周期比较两次的相位比较保护。对正半周和负半周各比较一次。
Phase comparison protection where the comparison is made twice per cycle.
每周期比较两次的相位比较保护。对正半周和负半周各比较一次。
Phase comparison protection where the comparison is made twice per cycle.
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