您要查找的是不是：
- The centres of concentric circles coincide. 同心圆的圆心是一个。
- The figure bounded by and containing the area between two concentric circles. 圆环域以两个同心圆为界的图形或两圆之间包括的图形
- The centers of concentric circles coincide. 同心圆的圆心重合。
- Concentric circles were made in the water. 同心圆的波纹在水面上散开。
- Concentric circles are parallel. 同心圆是平行的。
- The 4 kinds of agent change into circular, then concentric circle;aerial mycelium first appears lacte, then changes into cinereous or black, aerial mycelium grows luxuriantly. 气生菌丝起初均为乳白色，后期为青灰色或者黑色，气生菌丝生长旺盛；
- Method With a kind of four-layer concentric circle model of head, finite-element method and dynamic NOSER algorithm are performed to reconstruct the images. 方法：基于4层同心圆头模型，利用有限元方法和动态NOSER算法重构成像。
- This paper introduces three kinds of CNC turning method combined with practical example,concentric circle turning,center shifting turning and taper profile composition turning. 文章结合编程实例介绍了球弧数控车削三种常用的工艺方法,即车圆法、移圆法、车锥法。
- Method With a kind of four-layer concentric circle model of head,finite-element method and dynamic NOSER algorithm are performed to reconstruct the images. 方法:基于4层同心圆头模型,利用有限元方法和动态NOSER算法重构成像。
- The results obtained from experimental data show that the concentric circle exhaust tube is the best design.The pressure drop within the freeboard at various superficial velocities is also reported. 依据实验数据我们发现中间同心圆出口可有较低的淘淅速率，缺点是乾舷区的压降较大。
- The conclusions are as follows: the highest stress and strain focus on the concentric circle of inner pinholes, especially the small areas located on margin of pinholes in the direction of bridge. 结果表明,变形和应力集中主要发生在终止小孔内圈,尤其是孔桥间连线的边缘局部区域。
- Far measuring-stations were set respectively on three concentric circles, i.e, the stay vans inlet cirele, the guide vane inlet and outlet circle. 在固定导叶进口、活动导叶进口及出口三个圆周上分别布置了4个测站，各测站均用五孔毕托球测量。
- One is called "circle the sun," the giant stone circle by 4 concentric circles, the largest outer diameter of about 8 meters, the smallest of the inner ring has been destroyed. 其中一个被称为“太阳圈”的巨型石圈由4个同心圆组成，最大外圆直径约8米，最小的内圈已被破坏。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- A marble having an eyelike design, such as concentric circles or a colored center set in clear glass. 花纹大理石具有眼状花纹的大理石，如嵌在清澈玻璃中的聚集条纹或彩色点
- Concentric circle ( double circle ) 同心圆
- Just like a ground-plan for successive moats that in concentric circles bind their center and serve to protect the ramparts of the castle. 如同那种地面的形状所呈现出的一样，为了要防护城墙，重重的壕沟环绕着一座城堡。
- A marble having an eyelike design,such as concentric circles or a colored center set in clear glass. 花纹大理石具有眼状花纹的大理石，如嵌在清澈玻璃中的聚集条纹或彩色点
- Concentric circle( double circle) 同心圆
- The ten wrathful deities who reside in one of the outer, concentric circles of the mandala serve as its protectors. 曼荼罗的外部,同心圆之一中住的十位愤怒神担任它的保护者职责。
