公里

4Until now, the best images of the surface derived from mapping missions have spotted objects as small as 1 kilometer across. This map picks up objects as small as 20 meters across or about the size of a large yacht.

迄今为止月球表面最好的图像能够分辨清直径大于1公里的物体，而这个图片能够分辨清20米的物体-仅相当于一个游艇的大小。

Although China's 18,400 km coastline, but only one connected to the ocean, all of our sea and surrounded by a chain of islands in the first?

我国虽有18400公里的海岸线，但只与一个大洋相连，我国诸海又被包围在第一岛链？

A chain of ten islands and their surrounding waters, 1,400 miles (2,250 kilometres) north-west of the main Hawaiian islands, are to be protected from fishing and oil drilling.

距离夏威夷主岛西北方向1400英里（2250公里）的一个由10座岛屿组成的岛链及其周围水域将受到渔业和石油开采方面的保护

Villagers said the massive walls of water, which washed 2 kilometers inland, sounded like a jet fighter landing.

村民们说，海浪像一堵巨大的城墙，横扫了2公里纵深的内陆，其吼声如同即将着陆的喷气飞机。

The second longest river in China is the Yellow River with a length of 5,464 km.

第二次在中国最长的河流是黄河全长5464公里。

The river has a length of 1,000 kilometres.

这条河有1000公里长。

By the end of 2008, almost all counties in Tibet are accessible by roads whose total length reached 51,300 km. Tibet now has a road network of five national highways, 15 main highways and 375 branch roads.

2008年底，西藏基本实现了县县通公路，公路里程达到5.13万公里，已经初步形成以5条国道为主干，具有15条干线公路和375条支线公路的公路网络格局。

Location: The Commonwealth of the Northern Mariana Islands comprises 17 islands in the western Pacific Ocean, about 5,300 km west of Honolulu.

地理位置：位于西太平洋，由17个岛屿组成，北南延绵543公里，其中只有6个岛有人居住。塞班岛最大，人口最多。西距檀香山5，300公里。

Only elevation 7,000 meters above the peak alone more than 40 blocks, there are more well-known southern 3 kilometers "Lhotse"(elevation 8,463 meters, the world's fourth-peak) and the elevation of 7589 meters of Zarlink poor peak is southeast of Makalu (elevation 8,463 meters, the world's fifth peak), the north three public Lane is elevation 7,543 meters chapter of peaks west is Nuptse (7,855 m) and Pumoli peak (7,145 meters).

仅海拔7000米以上的高峰就有40多座，较著名的有南面3公里处的&洛子峰&（海拔8463米，世界第四高峰）和海拔7589米的卓穷峰，东南面是马卡鲁峰（海拔8463米，世界第五高峰），北面3公里是海拔7543米的章子峰，西面是努子峰（7855米）和普莫里峰（7145米）。

Taiwan island 390 km long, 140 km wide, covering an area of 35,780 square kilometers.

台湾本岛长390公里，宽约140公里，面积35780平方公里。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。