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- 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。
- 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 jacket was lined with a double thickness(= two layers)of fabric. 这件短上衣有两层衬里。
- A coverlet or blanket made of two layers of fabric with a layer of cotton,wool,feathers,or down in between,all stitched firmly together,usually in a decorative crisscross design. 被褥由两层织物与中间的一层棉花、羊毛、羽毛或绒羽制成的床罩或毯子，通常以一种装饰性的十字压针脚紧密地缝合在一起
- 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。
- 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；
- This makes the sling into a two layered tube. 这样背巾就折成一个双层的环了。
- A simile has at least two layers of meaning. 明喻修辞至少有两层含义。
- It used to the situation of double sides gluing coinstantaneous, Such as two layers PVC laminated wit reticulation fabric. 用于PVC夹网布等需要同时两面涂胶或两面印刷及两层或三层贴合的产品，节省时间空间并提高效率。
- A coverlet or blanket made of two layers of fabric with a layer of cotton, wool, feathers, or down in between, all stitched firmly together, usually in a decorative crisscross design. 被褥由两层织物与中间的一层棉花、羊毛、羽毛或绒羽制成的床罩或毯子，通常以一种装饰性的十字压针脚紧密地缝合在一起
- 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。
- It is important for developing new textiles to study the moisture transmission through fabric, even multi layer fabrics under subzero climate, which will guide a right way to dress. 所以,在低温环境下研究织物和多层织物集合体的湿传递特性对发展纺织新产品和指导人们正确着装很有意义。
- 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。
- 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。
- 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。
