frost peroid 霜期
Cambrian Peroid 一下寒武纪
Docking peroid 入坞期
effective peroid 时间称为有效期
Excitable peroid 可兴奋间期
pre-drying peroid 预干燥阶段
peroid of rolling 滚动周期
Lunar long peroid tide 大阴长期潮
When the grace peroid expires, the contract is annulled。
当这个宽限期届满，你仍未执行合同的话，该合同就终止了。
The safe situation classification of reactor is second class. The detection peroid is 6 years.
反应器安全状况等级为二级，检定周期定为6年。
Result: hemostasis rate of sandostain was85.7% the average peroid of hemostasis was clearly longer than pituitrin .
结果：善得定止血率85。7%，平均止血时间明显优于垂体后叶素。
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