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- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- 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。
- quadratic layer 二次层
- 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
- Their difference is a quadratic residue of 17. 它们的差是17的平方剩余。
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- The branch of algebra that deals with quadratic equations. 二次方程式论处理二次方程式的代数学的分支
- A fine layer of dust covers everything. 所有的东西都盖了一层薄薄的灰尘。
- Some quadratic equations have no real roots. 某些二次方程没有实数根。
- 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
- X2+3X+2=12 is a quadratic equation. X2+3X+2=12是一个二次方程式。
- Quadratic approximations in two dimensions. 二维中的二次逼近法。
- Use quadratic (10-node) tetrahedra if available. 10节点四面体单元？
- 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
- Quadratic splines need at least 3 points. 二次曲线样条至少需要3个点。
- Having a cortex or a similar specialized outer layer. 有皮的有皮的或具有相似的专门发育的外部覆盖的
- Every function whose derivative is linear is a quadratic function. 任意一个导数为线性函数的函数都是二次函数。
