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- With the anode voltage and the cathode current changing,the variational process of the electron velocity ratio and spread is simulated,and the results of the average velocity ratio 1.1 and spread 9.5% are obtained. 在阳极电压和阴极电流变化的条件下;对电子速度比和速度零散随之而变化的情况进行了模拟;得到平均速度比1.;1和平均速度零散9
- average velocity ratio 平均波速比（Vp／Vs）
- The proximal and distal average peak velocity(APV),diastolic/systolic velocity ratio(DSVR),coronary flow reserve(CFR)and proximal/distal velocity ratio(P/DVR)were measured. 用CardiometricsFlomapII和0.;014英寸多普勒钢丝测量：近端及远端平均峰速（APV）、舒张期与收缩期流速比（DSVR）、血流储备（CFR）和近端与远端流速比（P/DVR）。
- The average velocity, in the latter case, would be zero, since the total displacement is zero. 对于后一种情况，因为总位移为零，所以平均速度应为零。
- Average velocity may be defined as the distance traveled divided by the time of travel. 平均速度可定义为通过的距离除以运动所需的时间。
- Power factor is calculated using the actual bullet weight and the average velocity of the three rounds fired. 利用实际的弹头重量以及射击的三发平均枪口初速来计算威力系数。
- The liquid average velocity and the turbulent violence were measured through the modified Pito tube. 试验结果表明:随着液体喷射流量的增大,液体平均速度、液相湍流强度及固含率均增大;
- THEORETIC STUDY OF FINAL GAS-SOLID VELOCITY RATIO FOR POWDER-GAS DENSE-PHASE CONVEYING IN A HORIZONTAL TUBE? 水平管道粉气浓相输送最终固气速度比的理论研究?
- The average velocity of droplet swarm is muchdiffrent from that of a single drop. 测试表明液滴群的浮升速度同单液滴有显著不同。
- In Tazhong Area, the main factor of impacting average velocity is the depth of stratum and lithology of igneous. 在塔中地区，影响平均速度的主要因素是地层埋深和火成岩的岩性。
- The dominant vortical structure in the wake of the impinging jet in crossflow is primarily dependent on the velocity ratio. 横流冲击射流中形成的主要尾迹涡结构主要依赖于流速比。
- Escape 500-years frequency flood, apron end average velocity is 4.37m/s, stream bed filled rubble maximum scour depth 2.8m. 下泄500年一遇洪水时，护坦末端平均流速为4.;37m/s，河床??块石时最大冲刷深度2
- The continuum phase-coupling model is firstly used to derive the particle-gas disturbance velocity ratio equation of the injection area of jet. 利用双流体模型和扰动速度势理论，推得位于射流喷射区高浓度悬浮固粒的固气扰动复速度比值方程。
- The results showed that energy and average velocity of diastolic murmur were negatively related to mitral area and positively related to ... 三维心音图能较好的量化分析杂音并可间接推断二尖瓣狭窄病变的程度。
- Trajectory and average velocity distribution of descending coke are almost independent of whether cake is discharged continuously or not. 是否连续下料，并不显著影响焦炭下降的运动轨迹和平均速度的分布趋势。
- There was no significant difference in the proximal/distal velocity ratio (P/DVR) before and after PTCA(P>0 05),but P/DVR was obviously decreased after stenting (P<0 05). PTCA前后 P/ DVR差别无显著意义 ;但植入支架后则明显下降 (P<0 .;0 5 )。
- Inside the draft tube,the liquid average velocity indicated approximately the distribution of tube flow,while within the annu... 该研究对于下喷环流反应器的放大与优化有重要指导意义。
- The analysis result shows that velocity and density can sensitively reflect the change of porosity，and the velocity ratio can sensitively reflect the change of saturation. 结果表明，波速度、介质密度对孔隙度的变化较为敏感，速度比值对饱和度的变化较为敏感。
- In extracting average velocity fields, the choice of different datum planes can lead to different time-to-depth conversion results. 摘要速度场及时深转换基准面的选取与速度分析基准面、静校正基准面密切相关。
- A double-anode magnetron injection gun has been designed and optimized by EGUN for the gyrotron.The electron beam velocity ratio is 1.53, and the velocity spread is 3.1%. 电子枪采用双阳极磁控注入枪，用EGUN对其进行了设计优化，电子注纵横速度比为1.;53，速度零散为3
