锡矿工

Chinese miners not only worked gold but also other metals such as tin, copper and wolfram.

中国矿工不仅致力于黄金，但也有其他金属，如锡，铜和钨。

The large amounts of copper and tin make this mine especially valuable to the beginning miner.

大量的铜、锡使这个矿矿工尤其可贵的开端。

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。