叶表面通常光滑无蜡质或角质，部分种叶表面具薄片状或层状蜡质。
The leaf surface is mostly smooth and no waxy or corneous types; however there are some species with the surface covered with ridges of wax or waxy types.
但是这些彩虹图案配合光滑质感的衬衫，通常是电子感觉的蓝色。
Yet those rainbow prints were teamed with sleek suits, often in cyber blue.
通常讲，具有更少的晶体缺陷，更光滑的外形、更高的晶体密度，则有利于降低炸药的感度，提高安全性。
Usually, if explosive particles have less crystal defects, more smooth surface, and higher crystal density, the explosives have lower sensitivities and better safety.
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