How to manage optimally and make use of the resource will play an important role in sustained-yield forest management in Heilongjiang province and determining the age of harvest cutting is the key.
如何合理地经营利用好这部分资源，对该省森林永续经营利用起到重要作用，其主伐年龄的确定是关键问题。
How to manage optimally and make use of the resource will play an important role in sustained-yield forest management in Heilongjiang province and determining the age of harvest cutting is the key.
如何合理地经营利用好这部分资源，对该省森林永续经营利用起到重要作用，其主伐年龄的确定是关键问题。
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