Precipitation is a key determinant of plant productivity in forest, whilst in arid regions there is an approximately liner increase in primary productivity with increasing precipitation.
降雨量是森林植物生产量的关键决定因子，而在干旱地区，初级生产量随降雨量的增加大致是一个线性增长。
Landfill is a primary method of ultimate disposition of municipal solid waste in many countries. The liner system of such disposal field is the key part of the whole system.
城市固体废弃物填埋场是许多国家最终处置固体废弃物的主要方法，其衬垫系统是填埋场整个系统中最关键的部位。
The fabric self-lubricating liner is the key factor to the performance of self-lubricating spherical bearings with heavy load, impact resistance, and long life and so on.
织物自润滑衬垫的性能是保证关节轴承具备重载、耐冲击、长寿命等特性的关键因素。
The article has introduced the process control key points of kraft liner board production for Fujian Qingshan Paper Industry co., Ltd.
本文介绍青山纸业股份有限公司牛皮箱纸板机生产过程的工艺控制要点。
One of the key techniques for garbage sanitary burial is the pavement of a liner, which is designed to prevent seepage. It is very expensive.
前言：垃圾卫生填埋法的关键技术之一是防渗垫层的铺设，国内外对防渗垫层的要求是“防渗”，所设计的防渗垫层所用材料种类多、价格贵、铺设复杂、成本高。
One of the key techniques for garbage sanitary burial is the pavement of a liner, which is designed to prevent seepage. It is very expensive.
前言：垃圾卫生填埋法的关键技术之一是防渗垫层的铺设，国内外对防渗垫层的要求是“防渗”，所设计的防渗垫层所用材料种类多、价格贵、铺设复杂、成本高。
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