大家都搜：
双层
1、leaflike layers───叶状层
2、inversion layers───[海洋][气象]逆温层；反转层
3、epidermal layers───表皮层
4、chert layers───燧石层
5、layers───n.图层面板，图层集合；层面板（layer复数形式）
6、successive layers───连续层
7、choppy layers───层层叠叠
8、epidermis layers───表皮层
9、in layers───成层
1、The product is designed into double layers. The lower layer consists of four masts and the upper one double mast.───双层设计下层为四桅式组成，上层为双桅式。
2、The lateral walls, and the partitions are folded twice to have double layers, increasing their firmness and robustness.───将侧壁和分隔板折叠两次，以使其具有双层，从而增加其稳固性和坚牢性。
3、It introduces the plating zinc and painting plastic procedure of double layers welded pipe and its equipment.───详细介绍了双层卷焊管镀锌涂塑的生产工艺及设备。
4、This article presents the principle, configuration and characteristics of floating-bed ion exchanger with double Chambers and double layers.───叙述了双室双层浮动床离子交换器的原理、结构及特点。
5、By using separating cores, double layers of castings in one mold can be produced, and the productivity can be increased obviously.───采用分隔砂芯，可在一个铸型内制作两层铸件，明显提高了生产率。
6、The adhesive tape box body is provided with a transition wheel and a cylinder wheel with double layers.───在胶带盒主体上装有可摆动的舌头，在舌头上装一小柱状轮。
7、The new-type double layers wheel shape beam strings prestressed steel roof truss was used in Guangzhou Nansha Gymnasium.───广州南沙体育馆屋盖采用了新型的双层轮辐式空间张弦预应力钢屋架。
8、Optimization design of a double layers cylinder lattice shell is systemically introduced.───XiTong介绍了某体育馆双层柱面网壳结构的优化设计。
1、Using spin wave theory and the equation of motion technique for the Green function, specific heat of ferromagnetic antiferromagnetic double layers at low temperature is investigated.