They arrange themselves in the northeastern end of the valley , in concentric circles , and prepare for a great act of service 他们把自己安排在山谷的东北方末端，在同心圆里，准备一个伟大的服务行动。
The upcast reflection of a lamp and shade , an inconstant series of concentric circles of varying gradations of light and shadow 带罩子的灯投到顶棚上的反影，重重叠叠的光和影构成一个个浓淡不等的同心圆。
When selecting a pearl , consider that the larger the pearl , the more nacre it has , so it will also exhibit even more luster 这些珍珠层是平行的，剖面呈同心圆结构。每一珍珠层都十分光滑，而且是半透明的。
1 . punch grinder is a tool which can be put on the surface of grinding machine for grinding punches . it can do cylidrical grinding automatically 1 .它是安装在磨床上不需要任何调整可自动获得同心圆的磨削圆形冲头的工具
Abstract : in this paper , the characters of two kinds of urban structure , the concentric circles with single center and the spool thread with poly - centers , have been discussed 文摘:分析了两种城市结构即单中心同心圆与多中心轴线式的特点。
The spiral , umbrella curriculum organization and multicultural curriculum were implemented in analyzing elementary schools ' homeland curriculum in taipei county 再以多元文化教育课程、 ?旋?课程与同心圆课程组织， ?分析台?县新庄市的乡土教材。
They came first as simple circles , followed in later years by 3 ) concentric circles , circles connected by lines and then finally beautiful 4 ) geometric shapes 起初只是简单的圆形，接下来的几年则变成同心圆及有线条连接的圆圈，最后还出现美丽的几何形状。
The 142 - meter structure is designed along the lines of two non - concentric egg - shaped cylinders with glass and steel making up its pinnacle 这座142公尺高的大厦是由两个非同心圆蛋型的圆柱体在顶端冠上玻璃与钢铁而成的，而在这圆柱内部则坐落直立式循环的核心。
In addition , there are many small eletron dense granules in the second type of connective tissue cells and big eletron dense granules in the third type of connective tissue cells 第4类细胞：细胞质内粗面内质网呈同心圆分布，具有胞内管腔，为毛细血管管道细胞。
The data are recorded on a series of concentric circles called tracks . the access mechanism steps from track to track , reading or writing one track at a time 数据被记录在一些被称为磁道的同心圆上，存取装置读写磁道的过程是从一个磁道到另一个磁道，一次只读写一个磁道。
