附着力、剥离强度、色差、冲击强度保留率等指标能比较全面的表征彩色型材的耐候性能。
Adhesive power, peeling strength, chromatic aberration, impact strength retention rate and other indicators can be more comprehensive characterization of color profiles of weathering resistance.
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。
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。
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.
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