The total thickness of dorsal skin was thicker than ventral skin.

各部位背侧面皮肤总厚度较腹侧面厚。

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The total thickness of four points is about the thickness of the center dough.

擀出后四片状叠起来的厚度和中心大概相等。

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By rule of thumb, the total thickness of pad and casting (at the pad location) should not be less than one-fifth of the metal-feeding distance.

由经验法则，其总厚度的软垫及铸造(在垫板上的位置)，应不低于上就有五分之一的金属补缩距离。

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The total thickness of a completely plastic solar cell is in the range of one micrometer, which is 100 times thinner than a human hair.

FORBES: New Technique Creates First Plastic Solar Cell