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- This makes the sling into a two layered tube. 这样背巾就折成一个双层的环了。
- The shagreen cell is two layer with chlorophyll. 绿皮细胞2层，有叶绿体；
- The research, however, connects two layer strips together. 这项研究，不过，连接两个层带在一起。
- The coating has two layers: a thin chromium coating covered by a chromium mixed oxide layer. 涂层有两个层次：一个薄铬涂层覆盖，铬混合氧化物层。
- Door panel made of two layers aluminum. 双层铝合金门板。
- This is a membrane which is made up of two layers. 这是由脏层和壁层两个层组成的膜。
- Eyes are composed of two layers of hemisphere. 眼睛由两层半球组成。
- The periplasm of eggs included two layers. 甜菜夜蛾卵的周质分两层；
- A simile has at least two layers of meaning. 明喻修辞至少有两层含义。
- When notching two layers of fabric, notch each layer alternately. 两层面料都需打刀眼时,必须一层一层地交替进行。
- By organizing data block partition, two layer nested bintree were built. 在数据分块组织的基础上构建了两层嵌套二叉树。
- The head distribution is different in the two layers. 两层中的水头分布不同。
- The mesophyll consists of two layers of palisade parenchyma. 叶肉是由两层栅栏薄壁组织组成。
- First one or two layers of plaster mixed with crushed wheat straw and fine hemp-fiber were coated over the carved rough rock. 在开凿出来的粗糙岩石上，先涂一层或两层用碎麦秸、细麻刀合好的泥，再抹上一层薄如蛋壳的白石灰加以打磨。
- It is necessary for flyash soft layer to pave underlayer at the top of deep layer mixing reinforced material. 粉煤灰软弱层深层搅拌加固体顶面敷设褥垫层是必要的。
- A preliminar application of the polyimide film to two layer flexible copper clad lamination was studied. 对该聚酰亚胺在二层柔性覆铜板上的应用进行了初步研究。
- multiple deep- layer mixed seep- preventing wall 多轴深层搅拌防渗墙
- The gap of performance between domestic two layer and imported three layer metal morgoil bearing is analyzed. 分析了国产2层油膜轴承与摩根3层金属油膜轴承的性能差距。
- Biological membranes are composed of two layers of phospholipid molecules. 生物膜由两层D磷脂分子组成。
- Present the two layer model of thin shock layer for approximate calculation of the inviscid flow over 3d sharp bodies. 介绍用于近似计算绕三维尖体无粘流激波薄层的二层模型。
