繁殖

This stock raiser said that two failed artificial propagations of black swans were made last year before these two babies were finally hatched out. He also said that nearly one hundred swan eggs were hatched, but only two of them produced young.

据饲养员介绍，这次成功的孵化，是继去年两次繁殖失败后首次取得人工繁殖的成功，也是从近百枚天鹅蛋中孵化出来的仅有的两只。

From October, 2005 to September, 2006, 16 different kinds of stridulation of the Soul's Barwing were recored during its breeding and non-breeding seasons, of which there were 14 kinds of the male's calls and 10 of the female's calls.

2005年10月～2006年9月录制了灰头斑翅鹛繁殖期和非繁殖期的16种鸣声，其中雄鸟鸣声有14种，包括：3种休息时鸣声，3种跳跃、飞行时鸣声，1 种报警鸣声，1种求救鸣声，1 种营救鸣声，1种恫吓鸣声及4种鸣唱。

In the early life history, podocyst generation and strobilation which determined the number of medusa ultimately, were two important modes of asexual reproduction.

在早期生活史中，螅状体的足囊繁殖与横裂生殖是大型水母无性繁殖的重要方式，对其成体的数量形成至关重要。

It was appropriate to feed larva under the reasonable proportion of concentrated feed to succulence, and to culture larva at 2 larva/cm^2 if pupation and propagation were considered while at 4 larva/cm^2 if pupation and propagation were not considered in practice.

5在生产中，饲料以精饲料和青饲料合理搭配为宜，如果考虑化蛹繁殖，密度以2头／平方公分为宜；如果不考虑化蛹繁殖，则黄粉虫幼虫密度可以提高到4头／平方公分。

Quantitative exploration of population differentiation will benefit the utilization and improvement of wasp breeding; in-depth studies on the capability of avoiding superparasitism, host selection and adaptability of Trichogramma populations collected from different localities and hosts can produce some conclusions significant to Trichogramma application; studies on ovipositional behaviors are important for breeding improvement; co-parasitism is a common behavior among egg-parasitoids, and also an important factor affecting artificial rearing and field release; observations on inter-specific competition are helpful for choosing the most competitive natural enemies. This dissertation treated of the pragmatic aspects of the diagnostic system, i.

赤眼蜂种群分化的定量研究有利于蜂种及其品系的利用和改良；对采自不同地域和不同寄主的赤眼蜂种群的寄主选择、避免过寄生的能力及其适应性等进行深入细致的研究，可以得到一些对赤眼蜂应用有意义的结论；研究赤眼蜂的产卵行为对改进其繁殖和利用具有重要意义；共寄生是卵寄生蜂的一种常见现象，也是影响赤眼蜂人工繁殖和田间应用的重要因素；赤眼蜂种间竞争行为研究可以遴选竞争力最强的天敌。

During the comparison of its reproductive ways, one group Chinese Tamarisk was used as contrast, ten duplications were set in each salt gradient group, with five plants in each duplication.

在对柽柳繁殖方式的比较中，设一组对照，在每个浓度梯度下设置10个重复，其中扦插和种子繁殖各5株。

As part of their complex life cycles, the worms "castrate" snails, commandeering the host's gonads and diverting energy meant for snail reproduction into trematode reproduction.

在吸虫复杂的生活周期中，有一段时间会将蜗牛"阉割"掉，它们占据了蜗牛的生殖腺，把本来用于蜗牛繁殖的能量转化成吸虫繁殖所需的能量。

Trifolium repens was not worth advocating because of its lower yield though it contained high protein content.

籽粒苋产量高；俄罗斯饲料菜切根繁殖，繁殖力极强，不限地区，不择土壤，"一劳永逸"，可种植推广。

Clone reproduction is signific ant in plant kingdom and has many types, especially in aquatic vascular plants.

克隆繁殖是植物界的一种重要的繁殖方式，具有很大的多样性，特别是水生维管植物更是如此。

A " vegetative propagule" is any type of vegetatively propagated tree.

"营养繁殖体"是无性繁殖树木的任何类型。

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。