In the equation e(k)is the complete elliptical integral of the second kind . 等式中，E（k）为第二类完全椭圆形积分。
The base of scion is cut diagonally to expose a large oval of cambium . 接穗的基部被切成斜形，暴露出椭圆形的大圈形成层。
The engine uses a three-lobe rotor that rotates eccentrically in an oval housing . 这种发动机采用一个在椭圆形外壳内偏心旋转的三角转子。
At places in the thickest layer they are present as ellipsoidal globules, 1-10mm in length . 在最厚岩层中，有的地方它们呈椭圆形球体，长110毫米。
By the time the seed coat and embryo have become fully embedded, the seed has lost its typical oval shape . 当种皮及胚充分吸胀时，种子就失去典型的椭圆形。
The force of gravity is not constant everywhere for elliptical form and rugged surface of the earth . 由于地球的椭圆形状及其高低不平的表面，重力不是到处都一样的。
The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters . 椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。
By the outer margin of the pit was an oval pond, and over it hung the attenuated skeleton of a chrome-yellow moon . 在深谷的外侧边缘，有一个椭圆形的池塘，池塘上高悬着一勾朦胧昏黄的残月。
Before long, the picture of the cougar perched on top of the sign became almost as widely known as ford's oval and chrysler's pentastar . 没有多久，蹲在标志牌上的美洲豹的形象广为传播，就象福特车的椭圆形和克莱斯勒的五星标志一样。
