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
- 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。 - 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。 - Pump running, you must use a small amount of fluid set of internal magnetic separation between the rotor and the annulus area and sliding friction bearings for flushing cooling deputy.
泵运转时，必需用少数的液体对内磁转子与隔离套之间的环隙区域和滑动轴承的磨擦副进行冲洗冷却。 - 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 Application of Screw Pumps in Directional Wells and the Technology Research on Annulus Test
定向井中螺杆泵及螺杆泵环空测试技术研究 - Quantitative assessment of left ventricular diastolic function in hypertension by mitral annulus velocity
应用二尖瓣环运动速度评价高血压患者左室舒张功能的研究 - In this paper we simulated the mechanism of the formation and structure of the western Pacific subtropical high in a rotating annulus.
本文用模拟实验方法研究了西太平洋副热带高压的成因和结构。 - Because white castle towers aloft to go up in high hill, its all around annulus hill and laky.
由于白色城堡耸立在高高的山上，其四面环山和湖泊。 - 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。 - 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。