热带地区繁衍着比北极地带多上数十倍的动植物物种，地理位置越趋向两极，生物的物种就会有直线的减少趋势。
The tropics boast more than 10 times as many species of animal and plant as the Arctic, with diversity decreasing steadily as you approach the poles.
前年，受国家地理杂志的委派，我在太平洋热带地区与现存的最大的一个蓝鲸族群共渡了一个月的时光(参见《国家地理》2009年三月号文章《StillBlue》)。
The year before, on assignment for this magazine, I had spent a month in the tropical Pacific with the largest remnant population of blue whales (see "Still blue," March 2009).
第二个问题有关热带雨林的地理位置。
The second question concerned the geographical location of rainforests.
对于地理学家来讲，这里呈现了从极地到亚热带几乎所有地带的气候特征。
Will tell to geographical home, appeared here from polar the climate feature to semi-tropical almost all region.
区系地理成分可分为10种类型，热带分布的属占绝对优势，达94.89%。
The floral composition can be divided into 10 areal types, of which the tropical element is 94.89%.
在热带亚热带地理条件下，岭南具有丰富的服饰原料资源。
In the geographical condition of the tropics and subtropics, there are plenty of raw materials of dress in Lingnan.
绝大多数种类为典型的热带海区分子，它们具有广泛的地理分布。
Most of the species are typical of tropic representatives, having wide geographic distribution.
绝大多数种类为典型的热带海区分子，它们具有广泛的地理分布。
Most of the species are typical of tropic representatives, having wide geographic distribution.
应用推荐