同时还应把维护和提高地力、调整森林的组成和结构作为提高森林质量的一项长期策略;
Setting the long-term strategy of improving and maintaining the land productivity, adjusting the forest composition and structure so as to improve the forest quality in Beijing.
同时还应把维护和提高地力、调整森林的组成和结构作为提高森林质量的一项长期策略;
Setting the long-term strategy of improving and maintaining the land productivity, adjusting the forest composition and structure so as to improve the forest quality in Beijing.
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