中國(guó)10座城市入選全球科研城市TOP50

Beijing ranks in first place in a list of cities that produced the most high-quality research in 2017, and nine other Chinese cities made the top 50, according to the Nature Index 2018 Science Cities, a supplement of the British scientific journal Nature, published on Thursday.

根據(jù)英國(guó)科學(xué)期刊《自然》周四發(fā)布的《2018年自然指數(shù)-科研城市》，北京在2017年科研城市中排名第一，另有9個(gè)中國(guó)城市進(jìn)入前50名。

The list sorted out and ranked 200 cities worldwide by their 2017 fractional count, a metric for the share of contributions to the authorship of articles in 82 high-quality research journals.

該榜單根據(jù)2017年全球200個(gè)城市的科研分?jǐn)?shù)排名，使用在82家高質(zhì)量研究期刊發(fā)表論文的作者比例作為衡量指標(biāo)。

To calculate the fractional count, all authors are considered to have contributed equally to the article. The maximum combined fractional count for any article is 1.0.

為了方便計(jì)算分?jǐn)?shù)，認(rèn)為所有作者對(duì)論文的貢獻(xiàn)相等，任何文章的最大得分都是1.0。

The 2017 fractional count for Beijing reached 2,143.53, topping the list.

北京在2017年的分?jǐn)?shù)達(dá)到了2143.53，位居榜首。

The table accompanying the list also shows that authors in Beijing produced 4,396 articles in 82 high-quality research journals and accounted for 23.5 percent of the papers published by China on these journals.

從排行榜中還可以看出，來(lái)自北京的作者在82種高質(zhì)量研究期刊上發(fā)表了4396篇文章，占中國(guó)在這些期刊上發(fā)表論文的23.5%。

However, other Chinese cities -- like Nanjing at 12th place, Wuhan at 19th and Guangzhou at 25th -- are rising rapidly in scientific research, resulting in the declining share of Beijing in China’s output for six consecutive years.

然而，中國(guó)其他城市——如南京排名第12位、武漢排名第19位、廣州排名第25位——在科研方面增長(zhǎng)迅速，導(dǎo)致北京在中國(guó)總分中所占的份額連續(xù)6年下降。

Shanghai at seventh is the other Chinese city among the top 10. Hong Kong, Hefei, Hangzhou, Tianjin and Changchun were also ranked between the 21st to 50th places.

上海是中國(guó)另外一個(gè)躋身前10名的城市，排名第七。香港、合肥、杭州、天津和長(zhǎng)春也排分別在第21位到第50位之間。