作为我国最早发现HIV/AIDS集中感染人群的地区，在不到20年的时间里，云南省HIV/AIDS感染人数显著上升，并一直居全国的首位， 对全国的疫情变化起着举足轻重的作用。

Yunnan Province, where HIV/ADIS was first found in China, has seen an increasing number of HIV/AIDS-carried people in the past 20 years and still ranks first in this aspect in China.

youdao

在电讯方面，中国迅速跨越了模拟时代，建立起世界级的全国网络，其手机用户数已居全球首位，网络用户数很快也将成为世界第一。

In telecommunications, China leapfrogged the analog era and installed a world class national network, with the largest mobile and (very soon) Internet user base in the world.

youdao

研制的石油钻机和钻井泵3次荣获“全国用户满意产品”称号，产量连续5年居全球首位。

Developed oil drilling rig and pump have obtained the honor of National-customers Satisfaction Product for three times, and the output hold the first place around the world in 5 consecutive years.

youdao