摘要
对温室桁架式结构和门式刚架结构阴影面积的计算表明,前者的遮光面积比后者小。这与过去一般的认识相反。
The calculation,based on sunshine principle,indicates that the shadow area of truss roof structure is smaller than that of portal-framed roof structure in greenhouse,which is opposite to the general knowledge.
关键词
温室
结构
门式刚架
桁架式
阴影
geeenhouse
portal-framed structure
truss structure
shadow area
