您要查找的是不是：
- semi invariant exterior derivative 半不变外微分
- Some characteristics and its applications of the exterior derivative and exterior algebra 外代数与外微分的若干性质及其应用
- The exterior of the building is very unattractive. 这建筑物的外观很不起眼。
- We are painting the exterior wall of the house. 我们正在给房子的外墙涂漆。
- It is difficult to judge a person by his exterior. 依据外表难以评判一个人。
- The seed has a hard exterior covering. 这种子外壳很硬。
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- exterior derivative 外导数,外微商
- equivariant exterior derivative 等变外微分
- She maintained a calm exterior, though really she was furious. 在外表上她保持着平静，但实际上她生气极了。
- Beneath his gruff exterior he's really very kind-hearted. 他外表粗鲁，心地却十分善良。
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- The exterior shots were retaken in Qingdao. 外景是在青岛重拍的。
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号，用以标明变量的第一个导数
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- Exterior doors were blown off their hinges. 外面的门被风从门轴上吹掉下来。
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- He is a good man with a rough exterior. 他是个外貌粗鲁而内心善良的人。
- They spoke a derivative of the Malay language. 他们说一种从马来语派生的语言。
- The upper or exterior curve of an arch. 拱背线拱顶上面或外缘的曲形线
