The orifice has a general aspect ratio greater than 1.0 and a ratio of perimeter length-to-cross-sectional area greater than 1.5 relative to a perimeter-to-cross-sectional area ratio of a circular orifice of equivalent area.
所述喷口的一般长径比大于1.0，和相对于当量面积的圆孔的周长与横截面积比值，所述喷口的周长与横截面积比值大于1.5。
After a strengthen patch with a circular orifice is applied, the stressdistribution both inside and outside of the pipelines are analyzed.
讨论了补强板外径和厚度的变化对提高管道强度的影响，给出了管道上最大第一主应力和最大应力强度随补强板几何尺寸的变化规律。
Methods To circular suture of the prostatic vessels during operation, wedge resection bladder cervix rear lip, separate the urethral orifice from bladder by Foley's air sac, set aside the thread through manmade bladder orifice and let epidural post-operation analgesia continue, etc.
方法采用窝口周围环扎血管、楔形切除膀胱颈后唇、尿管气囊隔离膀胱与腺窝、膀胱造瘘口预置缝线及术后连续硬膜外腔自控镇痛等。
Several groups of supporting cavity and damping orifice were set on the circular surface of piston so as to adjust the pressure in the clearances by stiffness of pressure adjustment when load varies and then to keep the even clearance for avoiding chucking.
该结构在柱塞的圆周表面上设置了几组支承腔室和阻尼小孔，构成的静压支承结构具有间隙中压力可随间隙变化的调节刚度，保证间隙大小的均匀性，避免卡紧。
This design has adopted the series of the plane triangle-circular orifice as main part to replace those of the arc triangle-circular ones, which had been utilized for over thirty years.
本设计采用以平三角为主体的平三角圆孔型系，取代沿用30多年的弧三角圆孔型系。
There are incrassate circular muscular ring at the cardiac and the pyloric orifice. On the middle of the pyloric part, there have an incrassate circular band.
其中，贲门口和幽门口均存在增厚的环行肌环，幽门部中部有一条显著增厚的环行肌带。
Besides, the present experiment has verified one previous discrete vortex model of the acoustic nonlinearity of a circular orifice.
此外实验结果还验证了一种微园孔声学非线性效应离散涡模型的合理性。
The thrust vectoring of the rectangular injection orifice is better than that of the circular injection orifice.
矩形喷射口的推力矢量性能优于圆形喷射口；
Both the velocity of the sound-excited jet flow at a small circular orifice and the nonlinear impedance of the orifice are measured at high sound intensity.
在高声强下测量了微圆孔处声激发射流的速度和微圆孔的非线性声阻抗。
Gating system design of large and medium circular plate castings applying large orifice discharge theory
用大孔出流理论解决大中型盘类铸件浇注系统设计问题