1. Petiole green, leaf blade elliptic to oblong, margin sometimes serrate; flowers ca. 5 cm in diam. ; stamens 20–25. 绿色的叶柄，叶片椭圆形到长圆形，有锯齿的有时边缘；花约5厘米直径；雄蕊20-25。
2. The improved system utilizes good properties of elliptic curve cryptography system and adopts zero knowledge proof. 改进的系统利用了椭圆曲线良好的密码特性，并采用零知识证明方法。
3. A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis. 抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
英英解释
adj.
1. of a leaf shape; in the form of an ellipse
2. rounded like an egg
3. characterized by extreme economy of expression or omission of superfluous elements
