无性繁殖

These species time their sexual reproduction with periods of environmental uncertainty, and reproduce asexually when conditions are more favourable.

这些物种按环境不确定的时期安排它们有性生殖的时间，当条件较为有利时它们进行无性繁殖。

Numerous types of cells, such as skin cells and white blood cells, have the power reproduce asexually.答案:D

翻译参考：许多类型的细胞，象皮肤细胞和白细胞具有强有力的无性繁殖能力。

If the organism can reproduce asexually through mechanisms such as cuttings or budding the distinction can become blurred.

如果生物体能通过扦插或芽殖等机制无性繁殖，两种突变的差别变得模糊不清。

To reproduce asexually by forming a bud .

无性生殖通过芽接，细胞分裂或单性生殖而形成的无性繁殖

One of the abiding SciFi nightmares has been the idea that we could one day replicate human beings asexually, just by copying material from human cells.

有些科幻小说是经久不衰的恶梦。其中一个便是有朝一日人类能够仅仅通过体细胞进行无性繁殖。

The result is that some can be extremely long-lived, with clones, such as those of the creosote bush known to have lived for over 10000 years.

由于无性繁殖的存在，结果导致某些植物的寿命极长。比如一种灌丛是已知的寿命超过10000年的植物。

In vitro somatic embryogenesis is another form of vegetative propagation.

体细胞胚胎在试管中形成，是另一种形式的无性繁殖。

The polyps clone themselves and bud into another stage of jellyfish life, called ephyra.

珊瑚虫无性繁殖自己并发芽进人海蜇生活的另一阶段，被称为''。

Don't jump to a conclusion before considering all the facts.Be circumspect.

在所有的事未考虑好之前，不要遽下结论，要无性繁殖点。

However sugarcane is a nonsexual propagation crop with highly ployploidy and complex genetic background,breeding pathogens-resistance cultivals by using traditoonal breeding techniques will be a formidable task.

但由于甘蔗是高度杂合、遗传背景复杂的无性繁殖作物，常规的抗病育种所需时间较长，盲目性大，效果也有限制。

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。