The paper describes the cost compost ion and accounting system for forest fire suppression.
本文描述了森林火灾扑救成本构成与核算体系。
To study the variation of aero-anion concentration in forest recreational areas, the concentrations of aero-ion were measured under different vegetation types in Guilin National forest Park.
在桂林国家森林公园选择不同的植被群落类型进行空气离子浓度监测，研究森林游憩区空气负离子浓度水平变化。
To study the variation of aero-anion concentration in forest recreational areas, the concentrations of aero-ion were measured under different vegetation types in Guilin National forest Park.
在桂林国家森林公园选择不同的植被群落类型进行空气离子浓度监测，研究森林游憩区空气负离子浓度水平变化。
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