1.
semimajor axis of ellipsoid
椭球长半轴，地球长半轴
2.
one-half the major axis of an ellipse; the distance from the center of an ellipse to one end.
椭圆长轴的一半；从椭圆的中心到一端的距离。
3.
Either half of the major axis is called a semimajor axis.
长轴的每一半叫做半长轴。
4.
a prolate spheroid is generated by revolving an ellipse about its major axis.
扁长球体是将一个椭圆体依其主轴旋转而成的。
5.
Having the shape of a spheroid generated by rotating an ellipse about its longer axis.
长椭圆形的将椭圆围绕其较长的轴自转而产生的回转椭球体形状的
6.
the shorter or shortest axis of an ellipse or ellipsoid.
椭圆的较短的轴或椭球中最短的轴。
7.
scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere.
生长于北半球湿地和泥沼地区的木贼。
8.
A geometrical analysis on three point contact ball bearing with two-piece inner ring
双半内圈三点接触球轴承的几何分析
9.
Old World ground-living cuckoo having a long dagger-like hind claw.
东半球陆地生杜鹃，后爪长而似剑。
10.
forest bird of warm regions of the New World having brilliant lustrous plumage and long tails.
东半球温暖地区森林中的鸟，羽毛色彩华丽，尾长。
11.
low-growing shrubs of northern regions of northern hemisphere.
北半球北部地区生长的一个矮生灌木属。
12.
As the earth spins on its rotation axis, it wobbles like a top, slowly swinging the Northern Hemisphere closer to and then farther from the sun.
当地球自转时，自转轴会像陀螺一样「动」因此北半球与太阳的距离会逐渐接近，继而远离。
13.
Simple Derivation of Kinetic Energy and Quantize Semi axis of Elliptical Orbit in Hydrogen like Atom;
椭圆轨道的动能和量子化半轴、能级的简明推导
14.
DETECTION OF THE ELLIPTICITY AND THE DIRECTION OF LONG AXIS OF THE CHANDLER WOBBLE
对钱德勒摆动椭率及长轴方向的检测
15.
short-tailed Old World burrowing rodent with large cheek pouches.
东半球短尾巴的穴居鼠，长有大颊囊。
16.
a common Old World wading bird with long red legs.
东半球普通的红色长腿涉禽。
17.
Hemispheric Meeting of Ministers Responsible for Science and Technology
西半球主管科技部长会议
18.
short-legged long-billed migratory Old World woodcock.
东半球短腿、长嘴、迁移类的丘鹬。