Effect of Normal Gravity and Ellipsoid Earth Surface on Trajectory Calculation
正常重力和椭球地表对弹道计算的影响
semimajor axis of ellipsoid
椭球长半轴，地球长半轴
The earth should be elliptical.
地球应当是椭圆形的。
The earth is a spheroid and not a sphere.
地球是一个椭球而非球体。
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。
Studies on the Preparation and Characterization of ZnO Ellipsoid and Zn-Al LDH;
ZnO椭球和Zn-Al LDH的制备与表征研究
normal level ellipsoid
正常水椭球，水准椭球
In reality the earth is not exactly spherical but rather shaped somewhat like a flattened ellipsoid.
实际上地球不是精确的球形，而有点象一扁椭球。
The Earth's path round the sun is elliptical.
地球绕太阳的轨道是椭圆形的。
It may eliminate the influence of the earth's ellipticity.
可以消去地球椭率的影响。
The path of the earth around the sun is oval.
地球围绕太阳公转的轨道是椭圆形的。
Calculation of the geological reserves of horizontal wells based on ellipsoid Method
基于椭球体法的水平井地质储量计算
ellipsoidal head
椭球体的封头, 椭圆封头
The sun disturbs the elliptical motion of the moon around the earth.
月球绕地球的椭圆运动受到太阳的干扰。
The moon does not describe a circle round the earth, but rather an ellipse
月球绕地球运行的轨道不是浑圆的，而是椭圆的。
Now it is well known that the Earth's path round the sun is elliptical.
现在大家都知道地球绕太阳的轨道是椭圆形的。
The earth revolves around the sun in an ellipse with the sun at one of the foci.
地球在以太阳为焦点的椭圆上围绕太阳公转。
New DTM Based on Surface of Regional Ellipsoid
基于区域性椭球面数字地面模型的研究