Diagraming the characteristic points on the intersection lines between a sphere and a cone by means of the method of anxiliary sphere;
用辅助球面法求圆球和圆锥相贯线上特殊点
The contact melting processes of phase change material(the ice) under a sphere,which is driven by the temperature difference ΔT and pressure difference Δp,are investigated.
分析了圆球下的冰在压力与温差共同作用下产生的熔化过程。
Based on the flow pattern stniccure obtained from free flight experiments, a method of solving the low supersonic, high Revnolds numbers separated flow problem is proposed in this paper by which the inviscid region of the afterbody flowfield of a sphere has been simulated numerically.
本文根据圆球跨声速自由飞行实验的流谱结构,建立了低超声速圆球分离流动的流动模型,它成功地计算了考虑粘性分离影响的圆球绕流的后体流场。
The internal force states of the spherical shell under nonmomental assumption is analyzed following the twin shear stress yield criterion.
利用已建立的基于双剪屈服准则的钢筋混凝土壳体的屈服条件,研究了圆球壳屈服时无矩理论下内力状态,导出了壳体各区域的本构关系和塑性屈服条件,并用机动法和静力平衡法计算了圆球壳在竖向均布载下的极限载荷。
The forming principle of elliptical hole and the ball surface is illustrated in this paper,and it also introduces the processing method to elliptical hole and the ball surface with universal miller.
本文阐述了椭圆孔及圆球面成形原理,介绍了利用万能铣床加工椭圆孔及圆球的方法。
Round and round, and up they jump.
圆球，圆球，蹦来蹦去。
Deviation from perfect circular or spherical form toward elliptic or ellipsoidal form.
椭圆形，椭圆球从正圆或球形向椭圆或椭圆球的偏离
rounded knob( on the handle of a sword))
（剑柄上的）圆球.
integrating sphere
累计球(光度计的圆球)
The earth is an oblate sphere.
地球是一扁圆球体.
The transformation of model is the replacement of ellipsoid and elliptical cylinder for sphere and circular cylinder.
通过模型变换法,可用球体和圆柱体来代替椭圆球和椭圆柱。
The earth on which we live is a big ball .
我们居住的地球是一个大圆球。
a sphere on which a map (especially of the earth) is represented.
上面画着地图（尤其是地球的）的圆球。
" Measurement of circumference and its variation for basketball, football, volleyball and handball"
GB/T14625.5-1995篮球、足球、排球、手球圆周长、圆周差的测量
The earth should be elliptical.
地球应当是椭圆形的。
That the earth is round is certain.
地球是圆的是确实的
cylindrical grate ball mill
格子式圆筒形球磨机
ellipsoidal head
椭球体的封头, 椭圆封头
"Properly speaking, the earth is not round."
"正确地说,地球不是圆的。 "
The circumference of the earth is almost 25000 miles/The earth is almost 25000 miles in circumference.
地球的圆周长约为25000.
Planet Earth is an oblate solid.
地球是扁圆形的固体
Columbus argues that the world is round.
哥伦布提出地球是圆的。
The earth's circumference is nearly 25,000 miles.
地球的圆周约为25，000 英里。