1、

MRNA expression of genes related to avian sex determination during female-to-male sex reversal in ZW chicken embryos

鸟类性别决定候选基因在性反转鸡胚中的表达

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2、

The sex of birds is determined by chromosomes ZZ in the male or ZW in the female in the nature, so the sex chromosome of spermatozoa is Z and that of ovum is Z or W.

在自然界公鸡和母鸡的性别分别由性染色体ZZ和ZW所决定,因此公鸡产生的精子其性染色体均是Z,而母鸡产生的卵子有Z和W两种。

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3、

This female sex fantasy allows a woman to be wanton and enjoy sex -- something society rarely permits.

女性性幻想让女性体验淫荡的感觉享受性爱——这都是社会所不允许的。

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4、

Analysis on the factors of unprotected sex behavior among female sex workers

暗娼非保护性性行为的影响因素分析

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5、

Psychosocial Factors Influencing Condom Use Behavior among Female Sex Workers in China.

心理社会因素对女性性工作者安全套使用行为的影响.

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6、

Is Sex Discrimination the Main Cause of Some Female Scientists's Missing Nobel Prize?

性别是女科学家未获奖的主要原因 吗 ?--与董美珍博士的《百年诺贝尔的遗憾》一文商榷.

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7、

Sperm are intended to fertilize the female sex cell , or egg.

精子是要令到雌性生殖细胞(者说是卵子)被受精.

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8、

Oral sex Sexual stimulation of the male or female genitals using the mouth.

口交:用嘴给男性或女性生殖器的刺激.

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9、

And completed the acculturation of the female and social sex in this kind of social milieu.

并在这种社会环境中完成了女性性别的社会化.

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10、

Objective : To probe into relationship between female melancholia and sex hormones levels.

目的: 探讨女性抑郁症与性激素水平的关系.

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11、

Sex is two option buttons, male or female.

性别是两个选择按钮, 男性或者女性.

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12、

Ovary: In zoology , the female reproductive organ ( see reproductive system ) that produces eggs and sex hormones.

卵巢: 雌性动物的生殖器官,可以产生卵和性激素.

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13、

They see female characters as role models-and many tend to be airheads and sex objects.

她们把女角色当作自己的行为榜样,可许多女主角思想肤浅,或仅是个尤物.

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14、

There can be no spirituality, no sanctity, no truth without the female sex.

没有女性,就不可能有灵性 、 圣洁和真理.

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15、

From 26℃ to 36℃, the sex ratio of female to male changed markedly as the temperature increased.

雄性比例,在26℃~36℃范围内随着温度上升而增大,至36℃时, 两种群成虫均为雄性.

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16、

Are you seriously telling me that when you revolt, that all your female settlers have a sex change?

当你革命时连带你的女村民也性别变换了,你是认真的吗?

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17、

Part ⅴ, sexual attitude, studies attitudes on premarital sex and extramarital sex for female graduate students, and reflects the "sex" concept and the "sexual" behavior attitude for female graduate student.

第五部分性观念,考察女研究生对婚前性行为和婚外性行为的态度,反映女研究生的性观念和对性行为的态度。

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18、

Introduction: The female sex hormones change in a cyclical manner in different menstrual cycle ( such as: follicular phase, luteal phase).

背景:不同的月经周期(如:卵泡期,黄体期),女性激素水平呈现出周期性的变化。

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