km.

1.In this eclipse, the Observatory is slightly off the track of annularity (by 10 km).

这次日食中，天文台于环食带 10 公里外。

2.On a bright and clear day a 15-cm helio can be seen at 50 km .

明朗的晴天，15厘米大小的回照光50公里处能看到。

3.The lower boundary of the region above which molecular diffusion dominates is 120 km altitude and is known as the turbopause.

分子扩散占主导地位的区域下界约120公里处称为湍流层顶。

4.Located at 30 degrees north latitude, expressway and high-class highways connect Pingle with the urban area of Chengdu, 93 km away.

位于北纬30°线上的平乐古镇距离成都市区93公里，主要为高速公路及高等级公路。

5.Gebang River,20km in length, is located in the secondary forest belt of virgin forest,it has a reputation of "Jiuzhaigou of Guizhou".

蛤蚌河全长20余公里，为原始森林次生林带，有“贵州九寨沟”之誉。

6.The rate is 10 yuan for the first three kms and 1.6 yuan for each additional km.

收费率是前3公里10元，之后再加一公里收1.6元。

7.The council, or panchayat, of Ranpur village, 340 km (210 miles) south of state capital Jaipur, then decided to take the law into its own hands.

这座名叫的村庄位于印度拉贾斯坦邦首府斋浦南部340公里处，该村村委会最后决定将法律掌控自己的手中。

8.It flows southeastward for 120 mi (193 km) and passes the Iraqi port of Basra and the Iranian port of Abadan before emptying into the Persian Gulf.

流向东南，经伊拉克的巴斯拉港和伊朗的阿巴丹港，注入波斯湾，全长193公里。