Because of the complexity in underwater soil, river bedcondition and dredging process of a real dredging project, dredging conditions are very often unsteady.
在实际的疏浚作业过程中,由于水下土质、河床形态和作业过程的复杂性,严格地讲,疏浚工况是非恒定的。
2
People generally go to bed earlier and get up earlier as they age. Age - associated changes of rhythm and sleep forms might influence vascular condition.