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Moreover, forest harvesting could increase the fire risk class, which was the lowest under selective cutting scenario.
采伐提高了森林的火险等级，择伐方式下森林的火险等级最低。
Selective cutting intensity, stand density and felling tree volume per stem were considered as the major influencing factors by analyzing related researches at home and abroad.
影响油锯择伐作业中保留木损伤率的因素很多，经过分析可知采伐强度、林分密度和采伐木单株材积是影响保留木损伤率的主要因素。
Objective: to provide morphological basis to clinical selective treatment of convulsion cerebral paralysis with cutting off peripheral nerves.
目的：为临床行选择性周围神经切断治疗痉挛性脑瘫提供形态学依据。
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