decrease by

基本解釋

A similar situation occurred to social science and business which saw a decrease by 70% and an increase by 85% respectively.
差不多的狀況發(fā)生在社會(huì)科學(xué)與商務(wù)這兩門課程上，兩者分別出現(xiàn)了70%的下降和85%的增長(zhǎng)。
If no policies are changed, between 2015 and 2035, the prevalence of G2D will decrease by more than half in China, India and Thailand, and by 16% in Brazil.
若現(xiàn)行政策未發(fā)生變化，在2015年到2035年間，中國(guó)、印度和泰國(guó)的2級(jí)殘疾患病率將降低一半多，而巴西則爲(wèi)16％。
Irrigation for a typical rice field could decrease by nearly 66 per cent.
灌溉一片典型的稻田的用水量將會(huì)降低將近66%。
scitech.people.com.cn

In China,some farmers and researchers blame a decrease in pesticide use for an increase in pests unaffected by Bt.
And it speaks to what I said is my concern that Child Main Nutrition decrease by only 1 percentage point while economy cotinues to...grow -I see.
這也是我提過的我所關(guān)心的問題,經(jīng)濟(jì)還在高速增長(zhǎng)的同時(shí),兒童營(yíng)養(yǎng)滿足率,卻掉了1個(gè)百分點(diǎn)，-我知道。
普林斯頓公開課 - 國(guó)際座談會(huì)課程節(jié)選
It also found that every additional friend can decrease loneliness by about five percent, or two and a half fewer lonely days.

Revenues were expected to decrease by 10%, but instead dropped by 19%, he added.
FORBES: Porsche Hits Roadbump On Sales