Angular momentum for particles, separation of center-of-mass and relative coordinates, effective energy diagram.
微粒的角动量，质心分离以及相对坐标系，有效能量图。
2
Objective: To determined the influence of long time effective blood pressure control on left ventricular mass (LVM) and relative wall thickness (RWT) of hypertensive patients.
目的：探讨长期有效控制血压对高血压患者左心室质量(LVM)及相对室壁厚度(RWT)的影响。
3
The experimental result shows that the obtained mass transfer equation is acceptable and effective, with relative error under 10%.