When an application begins a process that will take perceptible quantities of time, it must make clear that it is busy, but that everything is otherwise normal.
如果某个应用程序启动了一个将要运行很长时间的进程，进度对话框就必须清晰地指出它很忙，不过一切正常。
2
The large quantities of poor students in normal colleges have covered a wide range in under-developed West of China.
西部落后地区高等师范院校的贫困生量大面广，已成为一个特殊的群体。
3
Methods 70 cases pregnant women (pregnant age ranging from 13 to 40 weeks) were examined by color Doppler ultrasound to measure the umbilical artery blood flow quantities of the normal foetuses.