髭海豹

National Geographic photographer and biographer Paul Nicklen has been making bold expeditions to the Arctic and Antarctic for many years, documenting the lives and habitats of seals, whales, walruses, polar bears, bearded seals and narwhals and how they are threatened by climate change.

多年来，国家地理摄影师和传记作者保罗尼克尔森一直在对北极和南极进行大胆的探险，记录海豹、鲸、海象、北极熊、髭海豹及独角鲸的生活和栖息地，以及它们如何受到气候变化的威胁。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。