查询词典 reproductive cycle

Conventional forest breeding is constrained by its long reproductive cycle, which includes long juvenile period, and by its complex reproductive characteristics, such as self-incompatibility and a high degree of heterozygosis. Gene transformation has played an important role in woody plant improvement, which can shorten breeding period and breed varieties with high salt tolerance.

随着分子生物学技术的发展，从盐生植物中分离出抗盐基因，导入林木，获得抗盐品种；况且林木由于其较长的幼年期，常规育种有明显的局限性，而通过转基因可以在较短时间内获得高抗盐品种，缩短育种周期，因此开展林木抗盐育种具有重要的意义。

Lactation is the final phase of the reproductive cycle of mammals.

哺乳期 哺乳期是哺乳动物繁殖周期的最后阶段。

Cancer is caused by mutational damage to genes that otherwise hold a cell's reproductive cycle in check, and thus stop that cell proliferating.

癌症是由于基因变异产生的，它控制了细胞的再生，阻止细胞的分裂。

In mammalian reproductive cycle,mammary epithelials experience the process of repeated growth,differentiation and degradation.

在哺乳动物的生殖周期中，乳腺上皮经历了反复生长、分化以及退化的循环。

Hormones that regulate the female reproductive cycle also seem to play a role in hair growth and regrowth.

激素调节女性生殖周期似乎也发挥作用，在毛发生长和再生。

Having periods is part of the female reproductive cycle.

有时间的一部分，女性生殖周期。

For this reason, the reproductive cycle may also be called menstrual cycle .

因为这个原因，生殖周期也可以称为月经周期。

During the early days of the reproductive cycle, the birds seem only to play with the building materials.

在生殖周期的早期，鸟儿们看起来只是在和那些筑巢用的材料玩耍。

Nutrition of each stage during reproductive cycle and reproductive performance of sows are intimately interrelated with each other.

要充分发挥高产仔母猪的遗传潜力，需要相当严格的饲养管理条件，其繁殖周期的每个阶段都要制定相应的营养需要和饲养管理标准，以满足其各种营养物质尤其是能量和蛋白质的需要。

Onchidium struma Cuvier; Reproductive system; Gonadial development; Reproductive cycle

中文关键字：瘤背石磺；生殖系统；性腺发育；生殖周期

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。