Exports grew by 3.7 percent while imports decreased by 0.1 percent.

出口增长 3.7%，进口下降 0.1%。

Freshwater populations have decreased by an average of 83 percent since 1970.

自1970年以来，淡水物种的数量平均减少了83%。

By 2050, China's population is expected to decrease by 2.7 percent.

到2050年，中国的人口预计将会减少2.7%。

The result is a decrease in the Sumatran elephant population by over 80%!

这样做的结果是，苏门答腊象减少了80%！

Researchers said the number of insects is decreasing by 2.5 per cent every year.

研究人员表示昆虫数量每年下降2.5%。

It says that child deaths have decreased by almost half since the year 2000.

报告称，自2000年以来，儿童死亡率下降了近一半。

Energy consumption decreased by an average of 5% per year over the past decade.

过去十年，能耗吞吐量每年平均下降5%左右。”

What it does do is decrease the severity of infection by Plasmodium falciparum malaria.

镰状细胞特征的作用是减轻恶性疟原虫感染的严重性。

It swings wildly, increasing and decreasing its rate by huge amounts on very short timescales.

它剧烈地波动，在极短的时间尺度上大幅度地增加或减少它的速率。

It estimates the numbers have decreased by 86 percent in the last 31 years.

据估计，在过去的31年里，这一数字下降了86%。

And the number of Asian tigers has decreased by 95 percent in the last 100 years.

在过去的100年间，亚洲虎的数量减少了95%。

According to experts the new congestion fees are expected to decrease traffic by about 20 percent.

据专家表示，新的拥堵费预计将使交通量减少约20%。

Between April and June of this year, the nation's gross domestic product decreased by 9.5 percent.

今年的四月到六月之间，美国的国内生产总值下降了9。5%。

These measures say Ramaphosa's team could decrease the risk of infection by up to 80 percent.

这些措施表明，拉马福萨的团队可以将感染的风险降低百分之八十。

The Pew Research Center says that jobs in the industry have decreased by 50 percent since 2004.

皮尤研究中心表示，自2004年以来，该行业的工作岗位减少了50%。

The sea was full of different species but in recent years the number has decreased by comparison.

海洋中充满了不同的物种，但近年来，通过比较，这个数字有所减少。

The risk of heart disease has decreased by half and will continue to drop beyond this 1-year mark.

心脏病发病的风险已经下降了一半，并将在1年后继续下降。

The study found the companies' values could decrease by an average of around seven percent by 2030.

该研究发现，到2030年，这些公司的价值可能会平均缩水约7%。

In schools with youth gangs, the number of fights decreased by 40 per cent after uniforms were introduced.

在校服被引入之后，那些有帮派的学校的斗殴事件数量下降了百分之四十。

The Biden Administration hopes to decrease the shortage of truck drivers by opening more training programs for drivers.

拜登政府希望通过开设更多的司机培训项目来减少卡车司机的短缺。