annulus

英

美

n.  环形物，环带（节、体）；圆环域

化学

COCA.36877

英英释义

noun

• (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
  Synonym:skirt
• a toroidal shape
  1. a ring of ships in the harbor
  2. a halo of smoke
  Synonym:ringhalodoughnutanchor ring

双语例句

• Numerical simulation on natural convection of water near the maximum density in horizontal annulus;
  在整体有限元模型基础上，对水平层缝的模拟做了简化处理。
• 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。
• 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
• The analysis chamber consists of a metal block which houses an annulus.
  分析室由金属块组成，内装一个环。
• Study of the Inner Boundary Force of Axial Variable Cross Section Annulus Power Law Fluid
  轴向变截面环空幂律流体内边界力的研究
• 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。
• The application range of the annulus centrifugal flowmeter is also provided.
  给出了该流量计的使用范围。
• Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.
  目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
• 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。