Now, let us look at the white minerals in the granite. They are white to colorless, greasy luster with irregular grain shape.
现在，我们来看一看这一块花岗岩石中的白色矿物，这些矿物形态不规则，白色到无色，具油脂光泽。
The zinc powders are classified as ordinary, fine and ultra-fine according to the grain diameter and spherical, lamellar and irregular according to the grain shape.
锌粉按粒径大小可分为普通锌粉、细锌粉和超细锌粉，按形状可分为球状锌粉、片状锌粉和不规则形状锌粉。
It is diffiuclt for brown rice grain to make standard sample because of its small size and irregular shape, and so its elastic modulus is hardly determined by conventional methods.
稻米籽粒由于尺寸小、形状不规则，难以制成标准试件，因此，不便于采用常规方法测其弹性模量。
It is diffiuclt for brown rice grain to make standard sample because of its small size and irregular shape, and so its elastic modulus is hardly determined by conventional methods.
稻米籽粒由于尺寸小、形状不规则，难以制成标准试件，因此，不便于采用常规方法测其弹性模量。
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