读者可能会猜想位居南回归线以南近100英里（160公里）的南非商业首都约翰内斯堡一年四季都沐浴在热带高温之中。
SITUATED barely 100 miles (160km) south of the Tropic of Capricorn, you might expect Johannesburg, South Africa's commercial capital, to be bathed in tropical heat all the year round.
为制图员，热带定义很简单，由热带地区的癌症和南回归线，在北纬23.5度，北部和南部的赤道。
For cartographers, the tropical belt is defined quite simply by the tropics of Cancer and Capricorn, at latitudes 23.5 degrees north and south of the equator.
大明山位于广西中部，地处北回归线附近，具有南亚热带季风气候的特点。
Damingshan is situated in the middle of Guangxi nearby the tropic of cancer with the characteristic of south subtropic monsoon.
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