繁殖

The asexual reproduction is of high risk.

无性繁殖存在高风险。

And I have extensive experience with orchids and the asexual micropropagation of orchids under aseptic cultures.

我有丰富的兰花种植经验，以及无菌培养兰花、无性微型繁殖的经验。

The results also show that the Leslie matrix must be further studied including asexual generation data.

结果还表明应进一步完善Leslie矩阵以使其能包容进无性繁殖的数据。

This asexuality seems to have arisen only once, yet biology recognises about 380 species of bdelloid.

这种无性繁殖似乎只出现过一次，但是生物学告诉我们这种蛭形生物有380

This study ends with a look at the further possibility of asexuality today by exploring Marine and Satoru's asexual love and reproduction.

本论文最后讨论玛丽恩和悟之间的无性的爱和无性繁殖，探讨无性论在未来的可能性。

The artificial insemination, test-tube baby, asexuality breeds the modern artificial in etc. grows the technical development, not only changes people grow the idea, from here the value that bring conflicts but also making the traditional law suffer the unprecedented challenge.

人工授精、试管婴儿、无性繁殖等现代人工生育技术的发展，不但改变了人们的生育观念，由此带来的价值冲突也使传统法律受到前所未有的挑战。

The internal cause includes polarity variation , inbred variation , instability of hybridization and gene mutation . The external cause includes unfitting culture conditions , strain ag ing , unsuitable preservation and infection virus of asexuality propagation .

内因主要包括极性发生变异，自交产生的变异，杂交种性不稳定和基因突变；外因主要包括培养条件不适宜，菌种老化，菌种保藏不当和菌株无性繁殖体感染病毒。

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

参考译文：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。

The earliest life reproduced asexually, but at least one billion years ago, sex emerged.

最早的生命都是无性繁殖的，但是，至少在10亿年前，性别就出现了。

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。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷