annulus
英
美
n. 环形物，环带（节、体）；圆环域
COCA.36877
英英释义
noun
- (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
- a toroidal shape
- a ring of ships in the harbor
- a halo of smoke
双语例句
- Modeling and Processing Simulation of Straight Profile Annulus Worm Gear
直廓环面蜗轮的三维建模与加工仿真 - Study on Annulus Pressure Distribution after Perforation of Composite Perforators
复合射孔器射孔后环空压力分布试验研究 - When notochord organization is ceaseless and migratory, fiber annulus also increases.
在脊索组织不断迁移时，纤维环亦增大。 - Numerical calculation of pressure drop of axial laminar flow in concentric annulus of power-law drilling fluid Churn flow and annular flow are common flow patterns encountered in gas-liquid systems through conduits.
幂律钻井液同心环空轴向层流压降的计算对垂直同心环形管内上升气液团状流向环状流的转换进行了研究。 - The diffraction of super Gaussian beams by an elliptic annulus is studied numerically.
本文采用数值计算方法讨论了超高斯光束经椭圆环的衍射现象。 - Enter new century, belt of economy of annulus Bohai Sea will become China belt of apophysis of the3rd old economy, become the new growth area that has development vigor and competition ability most.
进入新世纪，环渤海经济带将成为中国第三大经济隆起带，成为最具有发展活力和竞争力的新的增长区域。 - Sleeve used to establish between the tubing and annulus flow channel, or used to control the production of disposable isolation layer or layers.
滑套用于建立油管和环空之间的流动通道或用于控制生产层或隔离弃层。 - Effect of Aortic Annulus Plastic Enlargement on Aortic Valve Replacement
主动脉瓣环扩大术在主动脉瓣置换术中的应用 - Flood the market at present the leatheroid chair of belt annulus, will tell to contemporary household too coarse.
目前充斥市场的带轮的人造革椅，对于现代家居来讲就太粗糙了。 - Characteristics of Flow Field in Annulus Space between Train and Tunnel
列车与隧道环隙空间流场特性的研究