Apart from the pressure of the diaphragm pressing down and pushing outside the muscular strength of the back also support the high-pitched voices.
歌唱时气息支持，除用横隔膜力量向下推压向外扩以外，后背的肌肉力量对高音的支持也同样重要。
2
The method of dynamical measurement which was applied to analysis of pile driving is extended to test and measurement on the stiffness and strength of vertical joints between diaphragm walls.
将用于桩基检测的动测法，推广应用于地下连续墙纵向接缝刚性和强度的测试。
3
This report concerns the analysis of the strength and stiffness of the diaphragm coupling in terms of the bearing state which acts on such coupling.