第七题的解释:P点日落时间是地方时20时,则昼长是16小时(昼长=2(日落时间-12时)=2(20时-12时)=2X8时=16时,原分析没错;P点与漠河的纬度数相当,但分属南北半球,昼夜情况相反,所以P点的昼长等于漠河的夜长,故选A.16小时
file://C:\Documents and Settings\Administrator\Local Setting
3个回答
相关问题
-
C:\Documents and Settings\Administrator\Local Settings\Tempo
-
lvjiayi******C:\Documents and Settings\Administrator\My Docu
-
麻烦高手帮我算下这个图的弯矩!C:\Documents and Settings\Administrator\Local
-
关于八年级数学的一些填空题file://C:\Documents and Settings\solomon\Local
-
Documents and settings
-
full set of I/E document
-
问你个gambit的问题Warning:locale not supported by Xlib,locale set
-
set off and set out,what is the difference?
-
英语翻译.+++.One complete set of original documents sent by cour
-
英语翻译for each set of documents,beneficary's certificate confi