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- Objectives\ This study was designed to examine whether proximal isovelocity surface area method(PISA) is better than pressure half time method(PHT) in the measurement of mitral mechanical prosthetic orifice area(MPOA). 目的探讨血流汇聚法（pisa法）与压差半降法（PHT法）测量机械二尖瓣口有效开放面积的准确性及可靠性。
- Objective: To evaluate the accuracy of 2DE method,pressure half time method(PHT),aortic blood flow continuity method(AFCE),mistral blood flow continuity method(MFCE)in measuring the mistral valve area (MVA)in mistral stenosis and clinical value. 目的 :本文着重探讨二维超声法 ( 2DE)、多普勒压差减半时间法 (PHT)、主动脉血流连续性方程法 (AFCE)、二尖瓣血流连续性方程法 (MFCE)测量二尖瓣狭窄瓣口面积 (MVA)的准确性及临床应用价值。
- England were leading France15-0 at half time. 上半场英国队以十五比零领先法国队。
- Our team was in the lead at half time. 我们队在前半场领先。
- EFFECT OF LEFT VENTRICULAR RELAXATION ON THE EVALUATION OF AORTIC REGURGITANT SEVERITY BY THE PRESSURE HALF TIME METHOD 左室心肌松弛性对压差半降时间法判定主动脉瓣反流程度的影响
- Pressure half time 压力降半时间
- What was the score at half time? 上半场比分多少?
- United were 3-1 up at half time. 半场结束时，联队以 3:1 领先。
- Our team was in the leadat half time. 我们队在前半场领先。
- Half time have music over the tannoy. 半场休息扩音系统播放音乐。
- England was leading France 15:0 at half time. 上半场英国队以十五比零领先法国队。
- Hughes scored two goals before half time. 休斯在上半场进了两个球。
- England were in the lead at half time. 上半场英国队领先。
- England were leading France 15-0 at half time. 上半场英国队以十五比零领先法国队。
- The score was 2 to 1 at half time. 上半场的比分是2:1。
- The home team trailed by one point at half time. 上半场主队落后一分。
- Half time should be used to make adjustment. 中场应该是用来做调整的时间。
- The coach gave his team a pep talk at half time. 教练在中场休息的时候给球员们打气。
- The coach gave the team a pep talk at half time. 教练在半场时间给队员们打气。
- At half time, our team were trailing by 12 points, but were able to win in the end. 比赛进行一半时，我们队落后了12分，但最终我们还是赢了。
