平方公里

Australia has a land area of 7,682,300 square kilometers and its coastline is 36,735 kilometers long.

澳大利亚占地7，682，300平方公里，海岸线长达36，735公里。

It was unknown if the coral base of the island, about 12 square miles, might be subsiding.

至于岛上的约12平方公里珊瑚礁岛是否会下沉，目前还不知道。

When full, the reservoir will cover an area of over 190 square kilometres.

当水库满的时候，其占地超过190平方公里。

It covers over 2,000,000 square kilometers.

她的面积是2，000，000平方公里。

There are 14 provinces severely suffered by dust storms, coving an area of 624 km2, 65% of the whole China. The seriously disastrous regions are mainly distributed in Tibet, Xinjiang, Inner Mogolia, Gansu, Qianghai and Ningxia province.

全国受沙尘暴影响较为严重的共14个省，总面积624万平方公里，占我国国土面积的65%，重灾区主要分布西藏、新疆、内蒙、甘肃、青海和宁夏一带。

In Ming and Qing Dynasty, the Huang-he River flow from Su-bei area to sea, which come to being land in the debouchment, the land achieve to 10000 sq.km, till 1855, the debouchment advanced 90 km to sea.

明清时期，黄河夺淮经由苏北入海，在口外迅速造陆，至1855年北徙时止共造陆10000平方公里以上，河口更是向海推进了90公里。

There are an average of 449 people per sq km, is the world's most densely populated countries in the world.

平均每平方公里有449人，是世界上人口密度最高的国家之一。

It is a densely populated country with an average of 237 people per square kilometer, and it is very unevenly distributed.

它是一个人口稠密，分布不均的国家，每平方公里平均 237 人，90%的人生活在城镇，只有 10%的人居住在农村。

The district has about 700 students living in an area of 900 square kilometers.

面积为900平方公里的地区大约有700名学生。

Zigong is located in the downland region in the south of Sichuan, with an area of 4373 square kilometers and a population of 3,200,000 people.

自贡地处川南浅丘地带，面积4373平方公里，人口320万，属亚热带季风湿润气候，有着众多的名、优、特、新农副产品。2007年，被确定为全省三个首批城乡统筹发展试点城市之一。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。