圆地

With the method and the relation between the center of a circle and a triangle, the relation between the triangle and the circle can be determined rapidly, hence to quickly and correctly determine the position relation between the projections of the triangle plane and the tool in tool axis direction, and raise the efficiency of 3-axis NC machining.

借助于该方法及圆心相对三角形的位置关系，可以快速判别三角形与圆的位置关系，从而能据此快速、准确地判别三角片与刀具两者在刀轴方向投影的位置关系，提高3坐标数控加工干涉检查的效率。

The Plenipotentiary members introduced themselves one by one, and after further formalities the Regent and his retinue were directed to the amphitheater that had been designated for the talks.

全权大使委员会的成员们一个接一个地自我介绍，进一步的礼节之后，瑞金特和随从们被带到充当会谈场所的阶梯圆剧场去。

Instead, when we want to inherit we cast up from Circle back to Point and deal with the initial struct Point there.

相反地，当我们想继承时我们就从圆到点全加在一块，并且在那里直接处理struct Point的初始化。

Using the relations between harmonic conjugation elements,we can determine the relations between polar point and polar line more widely.

度量几何中圆的切割线之间所确定的数量关系，推广到射影几何里一般二次曲线中，利用调和共轭元素之间的关系，更广泛地确定了极与极线的相互关系，着重介绍了二次曲线的度量性质与射影性质的内在联系。

The distance between the reactive sensor node and the target node is estimated by using the value of RSSI, since the strength of radiation signal and the square of distance is inversely proportional. We proposed a method to derive the position of the target node based on the theory of radical center. With data from three reactive nodes, the position of target node can be analytically estimated.

我们以讯号强度指标来推估节点与被追踪物件的距离，并利用圆之根轴的几何特性，提出一个位置的估算方法，可以简单地利用三个感测节点所回传的资讯计算出被追踪物件的位置，所提出的方法即使在距离值有误差的情况下，依然能够估算出被追踪物件的唯一位置。

The numerical results under different methods, especially the simulation of recirculation region and reattachment length were carefully checked and compared.

比较不同修正方法下的圆管湍流计算结果，尤其是回流区域和再附着长度的模拟结果表明：变模型常数的κ-ε模型有效地的增加了近壁区域的湍能耗散率，使再附着长度的计算结果更接近于实验结果。

It is difficult to get eigen equation of the regular polygon cross section waveguide.

其中平板波导和圆截面波导已经得到了比较充分地研究[1-2]，但对正多边形截面波导的研究，一直没有简便有效的方法。

Trondheim,Norway is third -largest city,desperately needed a ring-road to stop huge flows of traffic coming through the centre of town.

Trondheim，挪威是第三-最大的城市，绝望地需要圆环路停止交通巨大的流程来通过town。

This takes the player into a haunted attic full of dusty hiding places for rotund bats.

这需要玩家成为一个闹鬼的阁楼上充满了尘土飞扬的藏身地，为圆蝙蝠。

Twelve weeks later, he won the battle of the bulge with a satisfactory 1/4 reduction in the size of his rotund waistline.

在十二个星期后，他为减肥作出的艰苦努力有了回报，他那圆滚的腰围令人满意地减去了四分之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。