题目内容
分析下图,我国某地一年中正午太阳高度最小值为35.5°,春分日时,太阳能热水器集热板的最佳倾角 α应为 
2021-08-11
A.35.5°
B.31°
C.59 °
D.54.5°
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='17902' and id < 1516901 and id<>'1516901' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='17902' and id > 1516901 and id<>'1516901' order by id asc limit 5