您要查找的是不是：
- The distributions of the field variations are given.The new friction layer theory is applied and nonsteady and steady deformation are studied. 应用新的摩擦层理论，研究了非稳态和稳态变形，实现了工件成形过程的计算机动态图形显示。
- Role and Formation Mechanism of Friction Layer during Braking 汽车制动过程中摩擦层的作用和形成机制
- 1902 Ekman established the wind spiral theory in the friction layer. 1902年,爱克曼创立了摩擦层中风标螺线,利用风标螺线,可以测定摩擦层中的湍流系数。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- Friction causes a rolling ball to stop finally. 摩擦力使滚动的球最终停了下来。
- Constant friction wore out the heels of my shoes. 不断的摩擦磨损了我的鞋跟。
- Friction between two sticks can create a fire. 两个棍棒相互摩擦能起火。
- The inner layer of the wall of a spore. 孢子内壁孢子壁的内层
- There is a fine layer of dust on the desk. 桌子上有一层薄薄的尘土。
- In the absence of friction belted machinery would not be used. 没有摩擦力，皮带传动的机器就无法使用。
- The middle, usually fleshy layer of a fruit wall. 中果皮果皮中间通常含肉较多的那一层
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- A layer, as of doubled-over cloth or of paperboard. 一层一层，如折叠过的布料或纸板的
- A surface, layer, or mass of frozen water. 冰面冻结的水的面、层或块
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- Matches are lighted by friction. 火柴由摩擦而生火。
- Evolution of Friction Layer during Braking and Its Effect on Friction Performance 汽车制动过程中摩擦层结构的发展及其对摩擦性能的影响
- There is a great deal of friction between the management and the work force. 劳资双方之间存在大量矛盾。
- A thin, flat layer or scale, as that of a fish. 外表组织薄而平的一层或鳞状物，如鱼鳞
