还是这个球面，我们来做第二个例题。
那么，指出球面上位置的最好方法是什么呢？
Now, what is the best way to figure out where you are on the sphere?
上限是由球面给出的。
这就是球面上，对单连通的定义。
OK, so that's the definition of the surface of a sphere being simply connected.
球面像差能破坏光刻的成像质量。
Spherical aberration can damage image quality in photolithography.
只有发散球面波才是唯一稳定解。
球面曲面到平面上的透视投影。
PERSPECTIVE PROJECTION of the surface of a sphere onto a plane.
因此需对非球面透镜进行二次设计。
提出钣金球面制件的展开方法。
The method of development of spherical of metal plate products is brought forward.
球齿轮机构可用来传递空间球面运动。
The spherical gear device can be used to deliver spherical motion.
一个这样的曲面名为伪球面。
握住(球棒，球拍等的)接近击球面之处。
To grip (a bat or racket, for example) at a point nearer the hitting surface.
此时，全球面临的问题是怎样适应新的环境。
The issue at this moment is how the world adjusts to new circumstances.
加工的离轴非球面最终结果是令人满意的。
Very good result was given when an off-axis aspherical surface...
用时间补偿法推导了单一球面的物像距公式。
Object - image distance formula of single spherical surface is derived through Times Compensation.
采用数控球面钻床，很好地解决了这一问题。
The problem is solved when the numerical control spherical surface drill press is used.
测头为平面还是球面。
目前全球面临的最大环境挑战就是气候变化。
Climate change is the great environmental challenge facing the world today.
可一次加工完成各钟不规则形状、球面、曲面。
Able to make irregular shape, sphere and curve in shape in one time process.
什么是非球面？
我们已经看到，海洋占地球面积的百分之七十之多。
As we have seen, oceans cover more than 70 percent of the earth.
无焦非球面系统是激光发射系统采用的主要结构之一。
The unfocused aspherical surface system is one of the main structure of large emiting system.
如果进行积分的球面域小于半球面，反演将是唯一的。
If the integrated area is less than half spherical surface, inversion will be unique.
点源球面结构冲击波是旋转椭球面冲击波的特殊情况。
The point blast induced spherical wave is the especial instance of the ellipsoid shock wave.
在自由粒子的情况下给出了粒子的平面波解和球面波解。
The plane wave solution and spherical wave solution to free particles are also given.
虎克万向联轴器或许会是人们最熟悉的一个球面机构的例子。
Hooke's universal joint is perhaps the most familiar example of a spherical mechanism.
介绍了非球面复合加工机床AOCMT，给出了其各项指标；
The aspherical compound machine tool AOCMT is introduced and its main technical parameters are given. ;
对双球面透镜双全息光学元件的读写头结构给出了实验结果。
The computer simulation and experimental results of the two configurations are shown.
但在二月初，澳大利亚东北部出现了强烈的海平面异常(中间球面所示)。
But in early February, a strong sea level anomaly appeared northeast of Australia (center globe).
但在二月初，澳大利亚东北部出现了强烈的海平面异常(中间球面所示)。
But in early February, a strong sea level anomaly appeared northeast of Australia (center globe).
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