a. 环形的
名 词:an'nular'ity
副 词:an'nularly
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- For the first category, we consider the boundary flow as an annular zone completely isolated from mixing with the main flow environment
对于第一个范畴,我们把边界看作是完全隔离的环形区域,并不与主流环境相混合。收藏 - The plate was loaded in its own plane by a pin passing through the hole in an annular disc fitted in the hole in the plate
平板的孔里面镶嵌着一个套环,在此圆盘的孔中穿过一个销钉而使平板在其自身平面内受载。收藏 - 21 The annular volume is 115 cubic meters.
井眼的环空体积为115方。收藏 - Annular eclipse ;eclipse of the sun by the moon when a ring of sunlight can be seen round the moon
环蚀(在月球周围可见到一圈阳光的日蚀).收藏 - The annular markings on a tree indicate its age.
树的环形纹理显示其年龄.收藏
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