查询词典 struggle for existence

Animals and plants struggle for their existence. Nature provides them with weapons for that struggle.

动物和植物为生存而竞争，大自然赋予了它们进行竞争的武器。

Those variants will be preserved in the "struggle for existence".

这些变异将在&生存竞争&中被保留下来。

In order to struggle for existence and development in the fierce competitive market, being basic economic bodies of the society, enterprises have to research and develop new varieties of products and techniques, so that they can reduce production costs as well as improving the quality of products.

企业作为社会的基本经济细胞，要在激烈的市场竞争中生存和发展就必须加强新技术和新产品的研究开发，降低产品成本，提高产品质量。

Such laws aided family farms in their struggle for existence.

这些法令对那些为生存而斗争的家庭农场来说是有帮助的。

The native Egyptians regarded them with suspicion, so that they felt all the hardship of a struggle for existence.

本土埃及人视他们怀疑态度，让他们感到所有的艰苦挣扎，为生存。

This illusion is called maya , or hard struggle for existence over the stringent laws of material nature.

这种幻象称为玛亚，或者为物质自然严酷规律中的存在物而痛苦挣扎。

In the struggle for existence among animal species, only the fittest survive.

许多作家根据动物世界为生存而进行的斗争中具有适者生存的规律这一点，论证

I carefully thought about, as if reality is indeed the case, more courageous in the struggle for existence is often clever than the people who have it advantages.

我仔细思考了一下，现实好像确实是这样，胆子大的在生存竞争中往往比聪明的人有优势呀。

If the struggle for existence has affected us to any serious extent it has been, indirectly, through our military and industrial wars with other nations.

2如果说生存斗争已经影响我们到了某种严重程度，那是间接地，通过我们同其他民族的军事上和工业上的战争而来的。

They both saw what Lamarck had failed to, that the struggle for existence in a crowded world, with its winners and losers, was the force that would ensure the survival of the plants and animals carrying the best traits.

他们都看到了拉马克观点的不足之处并提出了合理的解释：确保生物在这个星球上生存以及自身携带最优秀特质的是通过你死我活般的生存竞争实现的。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。