1. The street plan of the city has evolved as a series of concentric rings.
   该城市的街道平面图像一圈圈的同心圆环。
2. Concentric spheres are parallel.
   同心球面是平行的。
3. Spoon sour cream into resalable plastic food bag. Snip off corner. Pipe sour cream in 4 concentric circles onto guacamole.
   用勺子把酸奶酪放入可封口的塑料袋中。剪去一角。在生菜上涂四个同心圆。
4. Charles has presented an analysis of the concentric flow of long cylindrical capsules carried in an equidensity liquid in laminar motion.
   查尔斯已对载运于等密度液体中，以层流运动的长圆柱形包囊的同心流动提出了分析。
5. Consisting of concentric circles of stone surrounded by a moat (called a "henge"), Stonehenge was constructed in several stages over thousands of years.
   由圆石壕沟包围几圈巨大的同心圆石块组成，巨石阵的建造持续了数千年时间。
6. An onionskin-likestructure of concentric dust shells surround a central, aging star.Twin beams of light radiate from the star and illuminate the usuallyinvisible dust.
   围绕着中心老龄恒星的是一组半透明的同轴尘埃壳，两束星光照亮了平时看不见的尘埃。
7. They display a different pattern of flame structure to an experienced eye, which consists of concentric radiating flames and parallel banded layers displaying a distinct “pseudo-chatoyancy” effect.
   对于有经验的人而言，仿制品显示处不同于美乐珠的火焰纹结构图案由同心的放射状火焰纹，和平行条带层显示出清晰的变彩假象。

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