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- The shagreen cell is two layer with chlorophyll. 绿皮细胞2层，有叶绿体；
- It has a much more pronounced double layer coat than its cousins. 它有更为明显的双重被毛。
- 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。
- 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。
- 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。
- A multi layer coating with a SiW outer layer by liquid reaction formation method was prepared for carbon carbon composites,and then the structure of the oxide film on the coating was investigated by XRD,SEM,Raman spectrum and electron probe. 研究了一种液相法及其它方法制备的碳碳复合材料多层防氧化涂层，并用XRD，SEM，Raman光谱和EMPA研究了液相法制备的SiW涂层表面氧化后的结构。
- The head distribution is different in the two layers. 两层中的水头分布不同。
- If the painting was too soft stick, stick your finger difficult to use this soft oil crayon suitable for thick coating, but they can not meet the mixed layer coating needed to fine effect. 如果这幅画太软坚持，坚持你的手指很难使用这种软油蜡笔适合厚的涂层，但他们不能满足混合层涂层需要罚款的效果。
- The mesophyll consists of two layers of palisade parenchyma. 叶肉是由两层栅栏薄壁组织组成。
- This paper considers the nonlinear stability of double layer coating flows.The nonlinear subcritical threshold and all order evolutional coefficient are obtained for double layer coating flows. 摘要 研究了两层涂布流动的非线性稳定性问题,得到了两层涂布流动的亚临界有限扰动阈值和各阶演化系数。
- Coat The Siberian Husky's coat is thicker then most breed of dogs, comprising two layers: a dense undercoat and a longer topcoat of short, straight guard hairs. 外套哈士奇是皮毛最厚密的狗，皮毛有两层：稠密底毛和较长的面毛，面毛是一层短短的针毛。
- 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 Siberian Husky's coat is thicker then most breed of dogs, comprising two layers: a dense undercoat and a longer topcoat of short, straight guard hairs. 外套 哈士奇是皮毛最厚密的狗，皮毛有两层：稠密底毛和较长的面毛，面毛是一层短短的针毛。
