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
- 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。 - 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 - 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。 - The compact area of unripe condyle carries development to the head, form cartilage dish with fiber annulus former base.
生骨节的致密区向头端发展，形成软骨盘和纤维环的原基。 - 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。 - 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。 - The application range of the annulus centrifugal flowmeter is also provided.
给出了该流量计的使用范围。 - A novel gas-liquid self-sucking nozzle with inward-convex annulus structure was equipped to study the dissolution of oxygen.
建立实验装置，研究一种带凸形圆环结构的新型自吸式气液二相喷嘴的吸气溶氧性能。 - In all cases, filtering operations are carried out using a square window or annulus.
在所有的情况下，滤波运算都是使用方形窗或圆环来进行的。 - PIV experimental study on the axial velocity's distributing law of power law fluid's helical flow in eccentric annulus
幂律流体偏心环空螺旋流轴向速度分布规律的PIV实验研究