The system is based on factors that are easily available even in countries with poor facilities, such as bedrock geology, slope gradient and vegetation type.
该系统是根据即便在缺乏地质调查设施的国家也能容易获取的因素设计的，这包括基岩地质、山坡坡度和植被类型。
The heath series includes poor vegetation types.
石楠系列包含的是贫乏植被类型。
Currently, the main defects of vegetation rehabilitation were poor acclimatization ability and singularity of plants, which would take a long - time and substantive capital.
现今植被恢复中所用植物存在环境适应性差、品种单一的特点，植被恢复工程费时长、耗资大。
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