这一细胞在进化中首先会形成一个特殊的像气管内层一样薄膜组织。

The other is the first step on the path to a particular sort of tissue such as the lining of a windpipe.

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木材纵断面上薄膜组织形成淡薄条纹清晰可见。<比重> 气乾比重值A。

Parenchyma well developed and visible as pale thin stripes on vertical sawn face. weight:A.

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叫做碳化的另一种石化类型，发生在软组织以碳薄膜形式被保存下来的过程中。

Another type of fossilization, known as carbonization, occurs when soft tissues are preserved as thin films of carbon.

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