非生物因素(abiotic factor ) 影响某种生物生活和分布的环境因素 比如：光照、温度、水等
事实上，竞争对象可能是生命体所必须的任何生物或非生物因素。
Indeed, it may be for any of the factors, physical as well as biotic, that are essential for organisms.
盐胁迫是影响作物生长和产量的主要非生物因素之一。
Salinity is one of the major abiotic stress factors that adversely effect the crop plant growth and yield.
目的探讨外科手术切口感染的非生物因素，减少切口感染的发生率。
Objective to discuss the non-biological factors in infection of the surgical incision so ast o decrease the incidence.
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