自然界的

Evolution and Wheels In the past, evolutionary biologists contemplating the absence of wheels in nature agreed that the explanation was not undesirability: wheels would be good for animals, just as they are for us.

从前，研究自然界没有轮子的进化论生物学家都同意不能用无此需要来解释这种现象：轮子对于动物会像对于我们人类一样有好处。

Man must sublate the wrong concept of universal gravitation which misled the field of astronomy for three hundred years.

自然界根本不存在万有引力；万有引力是一个错误的科学概念。

The accumulation of heavy metals in the tissues from high to low is viscus, gills and muscle.

在自然界中，重金属污染往往是多种金属的复合污染，在2种重金属离子之

White pollution brings visual pollution and potential hazard for the nature.

"白色污染"给自然界带来了"视觉污染"和"潜在的危害"，如焚烧它们会释放有毒气体，发电机组吸入它们影响运转等。

It feels very much like a sort of conservative Christian wet dream about the way the natural world should work -- but doesn't .

这听着可有点像那些保守派基督徒的春梦：自然界就是该这样。

The hotspot in chitosan study is to increase its solubility and the adsorptive capability of Cu.

壳聚糖是一类带阳离子的动物纤维素和自然界唯一天然碱性多糖(图1)。

Azo aromatic compounds exist widely in the world and millions of tons of azo compounds are produced each year.

偶氮芳香族化合物在自然界广泛存在，而且每年以数百万吨的数量被制造出来。

For Thoreau, nature is not merely symbolic, but divine in itself and human beings can receive 前一单元cise communication from the natural world by way of pure senses.

对于梭罗，自然不只是象征性的，但是，人类本身就是神能获得前一单元答辩通信方式从自然界纯净感官。

It is found primarily in the all-trans configuration in the nature, which has 11 conjugated carbon-carbon double bonds.

在自然界中，它以全反式结构存在，并有11个碳碳共轭的双键。

It is found primarily in the all-trans configuration in the nature, which has 11 conjugated carbon-carbon double bonds.

在自然界中，它主要以全反式结构存在，并有11个碳碳共轭的双键。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。