对上游进口段，特别是靠近叶片前缘区域流场参数分布有较大影响，但对于上游叶片表面马赫数影响不大。
The flow field parameter distribution can be affected more in upper stream, especially near the leading edge area while the Mach number distribution of the upstream blade surface is affected little.
对于水平井井筒的稳定单相流动，提出了水平井井筒管流的“微元段”观点，从而简单实用地解决了井筒内的变质量流问题；
A "theory of micro element" and equivalent seepage flow was raised to solve the various mass flow of single phase in the horizontal wellbore.
风沙流因子对于土壤风蚀的影响，在不同的风速段具有不同的特征。
The influence on wind erosion had different characteristics under variant wind velocity scope.
应用推荐