natural increase population的意思|示意

The natural condition, population increase and economy development are mostly responsible for these damages.

其主要是由自然条件、人口和经济增长所致。

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.

海桑人工种群已经出现某种程度的自然更新和扩散，这将有利于增加海桑人工种群的结构复杂性和稳定性。

In recent years, 90% of natural 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。

The unemployment rate actually rose, to 9.1%, in May: the rate of job creation is barely keeping track with the natural increase 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。

The natural increase and movement of the population of villages are the main factors influencing village growth.

影响村落生长的因素主要是村落人口的自然增殖与流动。

With the rapidly development of world economy and rapidly growth of population, it makes the demand for various natural resources increase day by day, especially non-renewable resource.

随着当今世界经济的飞速发展和人口数量的快速增长，使得对各种自然资源的需求量日益增加，特别是以石油为代表的不可再生资源。