该城市的街道平面图像一圈圈的同心圆环。
The street plan of the city has evolved as a series of concentric rings.
X射线相干散射成像分析中，能量的分布为一系列同心圆环。
The energy distribution of X-ray coherent scatter images is a series of concentric rings.
他们周围的同心圆环沉入地面，随着一声低沉的嘶嘶声，所有的垄台融入了单一的平面。
Around them the concentric rings settled to the floor, and with a whispered hiss, all of the ridges melded into a single smooth surface.
在目标光和背景光的照射下，呈现出一组同心圆环，其亮度与目标和背景的亮度成正比。
The ring sight presents a set of concentric rings when it is illuminated by the target and the background. Brightness of the rings is in proportion to that of the target and the background.
围着中心的“山丘”现在只有一米高了而且迅速收缩，同时那些同心圆环轻轻拉回房间的地面。
The "hill" around the center was only a meter tall now and shrinking rapidly as the concentric rings eased back to the floor of the room.
但早在1987年由加大圣塔粑粑拉分校的天文学家TommasoTreu领导的小组就观测到了两个同心圆环。
Nevertheless, the first such ring was observed in 1987. Now, a group of astronomers led by Tommaso Treu of the University of California, Santa Barbara, have seen two concentric rings.
这个问题可以使用多焦点人工晶体来解决，它拥有一些同心圆环，该圆环上的物质能提供交替调节近距离和远距离视力的区带。
That can be addressed with multifocal lenses, which have concentric rings of material that offer alternate bands of near and distant vision.
文中还给出了当平面波正投射时，同心圆盘-圆环结构上感应电流各分量的幅度分布和散射场分布。
Numerical results are also given for the current distribution and the far radiation patterns of a disc-ring structure.
文中还给出了当平面波正投射时，同心圆盘-圆环结构上感应电流各分量的幅度分布和散射场分布。
Numerical results are also given for the current distribution and the far radiation patterns of a disc-ring structure.
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