这个发明具有偶然性。

Chance led to the invention.

从而使偶然性尽可能少地发生。

And try to leave as little as possible to chance,

更正一下，不是运气，是偶然性。我们都得听偶然性的摆布。

Correction,not luck,chance.We all at the mercy at chance.

我们得承认,偶然性起了很大的作用.

We have to admit that chance played an important role.

利用偶然性来形成冲突，来构造情节的。

The use of chance to form a conflict, to construct plot.

但稻作东传也不能排除其偶然性因素。

It seems that pollination also involves certain chance factors.

父母性格的哪些方面会遗传给他们的孩子则取决于偶然性.

Chance determines which parents characteristics are inherited by their child.

妒忌是完全沉浸在偶然性机遇得失之中的人们潜在的绝望心理。

Jealousy is the potential despair of the people who are totally immersed in the chance and opportunity.

研究报告中会有一份统计资料来表明：可能处于偶然性而产生这种结果的概率有多少。

The research paper will include a statistic: the probability that the finding could have occurred by chance.

化学工业尤其如此。因为在化学工业中，偶然性发现所起的作用要比在物理工业和机械工业中所起的作用大得多。

15-8. This applies particularly to chemical industries, where chance discoveries play a much larger part than they do in physical and mechanical industries.