圆周

The other parachute tested was one of approximately 30 inch (76 cm.) inflated diameter (80 cm circumferential, uninflated diameter), which is of similar construction to the 25 in. parachute.

其他测试的降落伞之一，大约30英寸（ 76厘米）直径的膨胀（圆周80厘米，直径uninflated ），这是类似的建筑向二五英寸降落伞。

A replaceable excavating tooth point (12) is telescoped onto an adapter nose (24) and releasably retained thereon by an elongated, flat connector member (60) having an untapered side periphery.

可更换挖掘齿尖头(12)套到适配器鼻部(24)上并且由具有无变细的侧圆周的细长扁平连接器构件(60)可松开地夹持到其上。

The results indicate: diversion shell can transform the kinetic energy of fluid into pressure energy well, and eliminate the circumferential component of fluid; the inlet incidence angle of vaned diffuser increases at the condition of O.8Q, and it results in flow separation very likely and the hydraulic loss increases; it is nearly non-impact inflow at the condition of 1.2Q, and the velocity distribution is uniform at the inlet of vaned diffuser and flow separation dose not appear.

结果表明：导流壳能很好地将叶轮中流出的流体的动能转化为压能，并消除速度的圆周分量；在0.8Q工况下，空间导叶的进口冲角增大，容易在空间导叶背面产生流动分离，造成水力损失增加；在1.2Q工况下，空间导叶的进口接近无冲击入流，在进口处流速分布较均匀，其内部未发生流动分离现象。

It completes a circle of 360°.

它完成 360 °的一个圆周。

In the 1960s the most popular pattern had 336 dimpled octahedrons in parallel circles around the ball.

在20世纪六十年代最流行的式样是336个八面体酒窝分布在环绕球面的平行圆周上。

Using a gentle circular motion, he dislodges the vein from the skin.

用轻柔圆周运动，他dislodges静脉从皮肤。

Meanwhile, though curve incise, the round trace was divvied into several line trace. And smooth method was made to change the controlled object do circle movement in any centre and radius.

同时通过曲线切割算法将圆弧转化为若干直线段，并采取相应的平滑措施，转化各个直线段运行，从而实现了物体任意半径、任意圆心的圆周运动。

Either of two quadric surfaces generated by rotating a hyperbola about either of its main axes and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.

双曲面两个二次曲面的任何一个，通过使一个双曲线绕其任何一根中轴旋转而成，而且旋转时有一个有一定双曲线平面切面的中心，而其他切面是椭圆或圆周

Either of two quadric surfaces generated by rotating a hyperbola about either of its main ax es and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.

双曲面两个二次曲面的任何一个，通过使一个双曲线绕其任何一根中轴旋转而成，而且旋转时有一个有一定双曲线平面切面的中心，而其他切面是椭圆或圆周

Image reconstruction from the projections of fan-beam: The CT equipment is broadly adopted on the world that its detectors are arranged on the concentric circle at same angle interval. This equipment rebates the complex machinery movements like parallel-beam geometry, makes the sampling time shorter, that is rebating the whole CT testing time.

扇形束图象重建：将探测器等角间隔排列于同心圆周上采集射线投影数据，然后进行图象重建的CT装置是目前世界上广为使用的，它减少了平行射束采样方式的繁杂的机械运动，可有效地缩短数据采集时间，也就是减少了CT检测的总的花费时间。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了