1.
Fecal Gonadal Hormone Levels in Semi-free Ranging Amur Tigers during Rutting Period
半散养东北虎发情交配期粪样中性腺激素水平的变化
2.
During estrus, the female is fertile and will accept a male.
在发情期，母犬可以接受交配并且具有生育能力。
3.
Having several estrous cycles during a single breeding season.
多次发情的在一个交配季节期间有几次求偶期的
4.
An annual period of heightened aggressiveness and sexual activity in male elephants, during which violent frenzies occur.
雄象发情狂每年雄象出现充满杀机和交配行为的时期，这个时期雄象会极度狂乱
5.
Diurnal time budget and activity rhythm of Alligator sinensis in the rutting season
扬子鳄发情期昼间行为时间分配及活动节律
6.
The grass grows and the horse is ruttish, how reasonable the natural is in turn. The copulation in mule market has become the common thing.
草长马发情，这种自然界的交替是多么合乎情理。骡马市上的交配也就成了情理之事。
7.
Coordination of the Dispatching Relationship between Futures Trading Volume and Spot Trading Volume in Generation Company Scheduling;
期货交易量和现货交易量在发电公司计划中的经济分配
8.
Postnatal Growth and Mating Communication Vocalization and Behavioral Ecology in Greater Horseshoe Bat, Rhinolophus Ferrumquinum
马铁菊头蝠生长发育及交配期交流声波行为生态研究
9.
A review of the development of love novels in new era;
迷失在纯情与欲望交汇的轨道上——新时期情爱小说发展论
10.
Sometimes we find large females mating with small males and vice versa.
有时我们会发现大的雌性与小的雄性交配, 有时情况刚好相反。
11.
Unusual Behavior Observation on a No Left Palm Female Giant Panda During Estrus and Mating
一例左前掌缺失雌性大熊猫发情交配异常行为的观察
12.
(of lower mammals) showing or in a state of estrus; in heat.
（指低级哺乳动物）发情或在动情期；发情期。
13.
The sexually inactive period of the estrous cycle.
间情期发情期内性欲不活跃阶段
14.
To prevent this from happening, the application must also save the document at intervals during the user’s session.
为了防止发生这些情况，程序应该在用户与计算机交互期间定期保存文档。
15.
nuptial plumage
(某些鸟)在交配期所长的羽毛
16.
Avoid wildlife during sensitive times: mating, nesting, raising young, or winter.
避开敏感时节：交配期、巢、雏，或冬季。
17.
stags fight during the rut
雄鹿之间在交配期的格斗.
18.
Recent market strength may also lead to a surge in cash raising activities including IPO's and share placements and trigger some profit taking.
近期市场的行情走好也可能会引发大量融资活如IPO、配股等，导致获利套现。