This has enabled designers to continue with the trend of reducing the steering wheel size, with the typical item now being about half the diameter of that of a normal road car.

这也使得设计师可以进一步延续减少方向盘尺寸的趋势，目前标准的赛车方向盘直径只有普通道路车辆方向盘的一半大小。

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Results The acellular dermal matrix with normal colloid diameter and structure was made in this way, no cells in it.

结果：本方法制备的脱细胞真皮基质的胶原直径及排列结构均正常，无任何细胞成分。

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The number distribution of diameter grade obeys normal distribution.

雷竹株数按径阶分布服从正态分布。

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Drilling a 2 or 3 foot hole can be done with normal equipment, while drilling a ten, fifty, or one hundred foot diameter vertical hole would require an entirely new invention.

FORBES: Why Can't We Start Building The World's Deepest Building?