1.
The Ordovician Winnipeg may have been 200 my old or older during its main oil expulsion phase.
奥陶系Winnipeg组可能已处于主要石油排出期长达200百万年或更早。
2.
according to the substance the value of the half-life varies between a fraction of a second and millions of years.
根据物质的不同，半排出期的值从几分之一秒到几百万年不等。
3.
This week we are rehearsing an opera for the forthcoming show.
这星期我们在为演出排练一部歌剧。
4.
Two or more ova are shed during the same heat period.
在同一发情期排出两个或数个卵子。
5.
period of local arrangement
位置安排期 位置安排期
6.
discharging valve
排出阀排气阀排水阀
7.
The methane emission peak of early rice appeared in young panicle differentiation stage of rice.
早稻甲烷排放峰值出现在水稻幼穗分化期，晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
8.
the expulsion of an ovum from the ovary (usually midway in the menstrual cycle).
（通常在月经中期）卵细胞从卵巢向外排出的过程。
9.
Editing Regulation of Bibliography in Periodicals;
论新闻出版类期刊参考文献编排规范化
10.
Clinical Observation of Fuxueping Granule in Treatment of Anovulatory Dysfunctional Uterine Bleeding
妇血平颗粒治疗无排卵性功血出血期临床观察
11.
To discharge or excrete from the body.
排出，排泄从体内排出或排泄
12.
vine discharge roller
藤叶排出辊，茎叶排出辊
13.
blowdown stream
排出液流,排出水流
14.
the solar cycle
太阳周期((日历上月日和星期的排列重复出现的年,每二十八年一次))
15.
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause.
未怀孕的青春期到更年期的妇女每月一次从子宫排出血液的过程。
16.
The Study of Chinese Medicine to Diagnose and Using Drugs Regularity of Hemorrhage Period of Puberty Anovulatory Dysfunctional Uterine Bleeding;
青春期无排卵型功血出血期的中医辨治及用药规律探讨
17.
an attempt to control conception by refraining from intercourse during the period when ovulation is most likely to occur.
在排卵最可能出现期间节制交往试图控制出生的方法。
18.
discharge current
排出流排出流泻流排水流