可耕地

A laterly survery from the Food and Agricultural Organization of UN showed that: the population of world has increased dramatically and the arable land has deceasing gradully.

联合国粮农组织最近进行的一项调查表明：世界人口正急剧增加，而世界可耕地数目却日益减少。

That the fast expansion of urban encroached precious farmland in many situations caused people to be conscious sacrificed agriculture.

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。

The rapid expansion of the urban area in most circumstances takes up much precious faming field,which makes people realize that the development should not made at the expense of agriculture.

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。

Some say that 40% of the worlds farmers live in China; maybe it's 38% today; working 10% of the worlds arable land. Now, this tells you that farm plots or rice patties in China are very, very small.

有人说，全世界的农民有40%生活在中国，现在也许是38%；他们在全球10%的可耕地上劳作。

Food and Agriculture orgnization showed that the population of the world are shotting up and the incessant shrinkage of the cultivated land.

联合国粮家组织最近进行的一项调查表明：世界人口正急剧增加，而世界可耕地数目却日益减少。

China's land is also large, yet how much of it can be tilled?

中国土地再多，但可耕地有多少？

Tibet was really a serf society. Before 1951, only manors operated by three large suzerains occupied 62% of Tibetan arable land and 37% of that was possessed by temples.

西藏确曾是个农奴社会，1951 年前，光是三大领主经营的庄园竟然就占了全藏可耕地的62%，其中又有37%为寺院所有。

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。