So, it is necessary to analyze the effect of rural-urban mobility on reproductive behavior.
因此，这里有必要对乡城人口流动对生育行为的影响做一分析。
Many people are not aware that, with our projections, we assume that people change their reproductive behavior.
许多人没有意识到，在我们的推算中，我们已事先假定人们能够改变他们的生育习惯。
The basic laws of reproductive behavior and the relation between them and environment of Henry chestnut have been studied through sampling investigations and tracing studies.
本研究具体通过抽样调查、跟踪研究等方法系统研究了锥栗生殖行为的基本规律及其与环境因子之间的关系。
The mechanisms on catamenial epilepsy show that ovarian steroid hormones not only regulate reproductive behavior but also exert short-term and long'-term effects on the brain.
目前认为，卵巢类固醇激素不仅与生殖行为有关，而且在脑部发挥着重要的短期和长期的效用。
The reproductive behavior is a kind of behavior possessing many external characteristics.
生育行为是一种具有较强外部性的行为。
The study of the reproductive behavior of dinosaur has never produced as much excitement and public attention as in the past period.
摘要过去的一段时期以来，有关恐龙繁殖行为的研究令人产生了从未有过的兴奋，并引起了公众的极大关注。
Well preserved and abundant new dinosaur fossils of eggs and embryos have provided unprecedented new evidence on the reproductive behavior of dinosaur.
丰富的恐龙蛋(胚胎)化石的新发现为恐龙繁殖行为的研究提供了前所未有的证据。
Well preserved and abundant new dinosaur fossils of eggs and embryos have provided unprecedented new evidence on the reproductive behavior of dinosaur.
丰富的恐龙蛋(胚胎)化石的新发现为恐龙繁殖行为的研究提供了前所未有的证据。
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