One example about the decrease in diameter of ring joint gasket is reported. The reason of decrease in diameter is caused by compressive stress that make the whole gasket yielded.
报道一例八角垫直径缩减现象,指出直径缩减原因是垫圈整体受压屈服。
The channel is only a few centimeters in diameter, but that is wide enough for electrons to follow the channel to the ground in the visible form of a flash of lightning.
这个通道的直径只有几厘米,但它的宽度足以让电子以闪电这样看得到的形式随着通道到达地面。
Emergents, which do not form a continuous layer, are usually the giants of the forest, reaching heights of 35 to 70 m or more, and trunk sizes of over 2 m in diameter.
不形成连续层的新生植物通常是森林中的巨人,高度可达35至70米或更高,树干直径超过2米。
Bacterial cells are small, one to two microns in diameter and this shows a picture of a common bacterium called E. Coli.
细菌细胞很小,直径只有一到两个微米,这张图片是一种常见细菌,大肠杆菌
Because of that you can't count on molecules moving rapidly over the size of a cell that's ten to 30 Microns in diameter.
因此不要对生物大分子能在,直径十到三十微米的,细胞里高速穿行抱有任何指望
In addition, if we compare this to the diameter of an atom, which is on the order of somewhere between one and ten angstroms, now we're seeing that, in fact, this wavelength is significantly larger than its environment.
另外,如果我们把它,与原子的直径相比,原子直径近似1到10埃米之间,我们现在来看看,事实上,这个波长比它所处的环境大很多。
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