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- Effects of different incubation temperatures on the secondary sex ratio and hatchability of muscovy 不同孵化温度对雏番鸭第二性比及孵化率的影响研究
- secondary sex ratio 第二性比率; 继发性比; 出生性比; 次级性比
- The breast is a secondary sex organ. 乳腺是属于第二性征器官。
- As a boy goes through adolescence, his secondary sex characteristics develop. 作为一个青春期男孩，这是他的第二性征在发展。
- These problems include the high sex ratio and the growing population aging. 例如出生人口性别比偏高、人口老龄化等。
- Skewed sex ratios raised the competition. 倾斜的性别比例引发了竞争。
- Hatchling sex ratio at this beach possibly depends on the date of egg laying. 雉龟的性别比则可能受到产卵的时间所决定。
- But she added: "We think the sex ratio at birth is probably peaking now. 但是她补充道：“我们认为新生儿男女比例问题已经达到了顶峰。
- They see the decline in the sex ratio during this period as one of the key contributors to modern feminism. 他们视这段期间的男女比例下滑现象，为促进现代女性主义的关键因素之一。
- Any of several steroid hormones produced chiefly by the ovaries and responsible for promoting estrus and the development and maintenance of female secondary sex characteristics. 雌激素一种主要由卵巢分泌的类固醇激素，用来刺激性交，形成和保持女性的第二性特征
- The constraints in beauty, sex, love which fairy tales impose on women will potentially refrain them from fully developing and thus make them become secondary sex. 它在美貌、性、爱情方面对女性的限定将束缚女性的发展,使女性成为真正的第二性。
- And they find that households with sons save more in high male-to-female sex ratio regions. 他们还发现，在男女性别比失衡的地区，有儿子家庭的储蓄率会更高些。
- The sex ratio (male vs female) are 1.5, 1.5, 1.7 and 2.0 respectively, with a trend of ascend. 男女性比例依次为1.;5、1
- Figures in brackets refer to the corresponding sex ratios. 括弧內的數字指相應的性別比率。
- The sex ratio at birth not only shows in different childbearing orders but also in regional distribution. 出生性别比偏高不仅表现在分孩次的差异上，而且还表现出了明显的地区分布特征。
- It reveals the feebleness aspect of female as secondary sex by the unique angle of view to the people, as well as the brutal scene that the might and the violence did play a role in female. 它以独特的视角向人们揭示了女性作为社会中的第二性的弱势局面，以及强权与暴力作用于女性时的残酷场景。
- Campoletis chlorideae Uchida,Helicoverpa armigera (Hubner),Spodoptera litura,mating,sex ratio,oviposit,semiochemicals. 01棉铃虫齿唇姬蜂;生物学;棉铃虫;斜纹夜蛾;交配;性比;产卵;引诱;产卵物质
- There have been populations where the sex ratio has altered, but never to this degree," Hesketh added. 在很多族群中，男女性别比例都存在异常，但是从来没有这么高的。”赫斯基补充道。
- One having the reproductive organs and many of the secondary sex characteristics of both sexes. 两性体具有生殖器官和第二性征的许多特点的个体
- The unbalance sex ratio at birth is ”a tragedy of the commons” from the angle of the publics. 从公众的角度看可以认为中国今天的出生性别比失衡是一场“公共地悲剧”。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
