The unemployment rate actually rose, to 9.1%, in May: the rate of job creation is barely keeping track with the naturalincrease in the working-age population.
5月份失业率实际上升到9.1%：职位创造率只与劳动年龄人口增长率持平。
2
In recent years, 90% ofnatural grass have shown various degrees of degeneration against exceptional weather word-wide and exceeding fast increase of population in pasturing areas.
近年来，在全球性的气候异常、牧区人口过快增加的背景下，90%的天然牧草出现不同程度的退化现象。
3
Natural regeneration and dispersal of artificial S. caseolaris population had more or less occurred, which may increase the structural complexity and stability of the artificial population.