圆的

Further study the names of all the parts of a circle and how to work out the perimeter and the area of a circle.

复习圆的有关知识，进一步熟悉了圆各部分的名称，以及圆周长和面积的计算方法。

In this chapter, we obtain the following conclusion: Let f=h+〓 be a univalent orientation-preserving harmonic mapping defined on the unit disk U such that f is convex in a direction and real on the real axis, and satisfies the normalization f (0)=0 and 〓, then f is typically real.

在这一章中，我们证明了如下事实：对于单位圆U上的单叶调和映照f=h+〓，如果它满足条件〓，且在其映照下单位圆的像域是一个方向凸的，则它必定是典型实照映射。

It is strange that the earth is round and the orbit it moves round the sun is a circle.

很奇怪地球是圆的，它围绕太阳的轨道也是圆的。

The pitch diameterof a gearis defined as the diameter of the pitch circle of that gear.

齿轮的节圆直径定义为齿轮的节圆的直径。

If the height of the pyramid is taken as the radius of a circle, then the circumference of this circle is the same as the perimeter of the base.

如果金字塔的高度是作为一个圆的半径，那么这个圆的周长是作为该基地周围相同。

This method has important applications in the analysis and design of laser resonator.

光学谐振腔的传播圆－变换圆的图解分析与设计方法具有简单，形象直观等优点，该方法在激光谐振腔设计和分析中有着重要的应用。

This paper puts forward that making the openings of castellated beam s rounded rectangular can avoid the corner stress centralization of the hexagon castellated beam and the expansion rate loss of the round castellated beam .

提出将蜂窝梁孔洞做成角部修圆的矩形，可以避免六边形孔蜂窝梁的孔角应力集中和圆孔蜂窝梁的扩张比损失。

Other types of millipedes may curl into a looser, sloppier spiral or form a neat ball.

在同样情况下，其他种类的千足虫可能会蜷缩成较为松散的螺旋形圆盘，或者形成溜圆的圆球。

For improving process accuracy of the parts like the thin wall tube,it is indispensablility to be promise design of the reasonable structure size of the fine whetting tongs.

为促进薄壁套筒类零件精磨外圆的加工精度，需要保证所设计的精磨外圆夹具的合理结构及尺寸。

Peter Cammarano, who was elected as mayor of Hoboken last month, has been charged with accepting $25,000 in cash bribes, including $10,000 just last week.

皮特玛拉诺上个月当选霍伯肯市长，被指控收受25000美圆现金的贿赂，其中，就在上周，他接受了10000美圆的贿赂。

I think he's learned how to approach hitters....

Johhny Damon说，『他已是最好的了，再没有人能够比他做的更好，我想他的球技已经完全成熟了，而且他也已经学会了如何去对付和压迫各种打击者。。。。。。

In effect, an 18 foot King Cobra could actually look down onto the average human being.

际上，一个18尺眼镜蛇王其实可以俯视到的平均人。