Under EU rules, that has to rise to 50% by 2020.

按照欧盟条例，到2020年回收率须达到50%。

youdao

Under EU rules that came into force last April, by 2011 all medicinal herbs must be officially certified as safe before being sold.

去年4月生效的几项欧盟法规规定：到2011年，所有中药材在销售前都必须得到官方安全认证。

youdao

Under EU rules, Britain is allowed no more than 35 "bad air" days in the whole year, and now faces court cases and unlimited fines by Europe.

根据欧盟规定，英国一年内空气质量差的天数不能超过35天。现在其将面临欧盟法庭诉讼及高额罚款。

youdao

And as governments invest heavily in economic stimulus plans, their deficits are expected to soar to about 7.5 percent of gross domestic product - more than twice the limit allowed under EU rules.

VOA: standard.2009.05.04

The hitch is that, under EU rules, the state financial aid that lubricated such deals will end in 2013.

ECONOMIST: Northern Ireland's economy

Under EU rules a donor cannot be "paid", however, they can be "compensated".

BBC: News

He has already said a moratorium on EU meat imports, which has been called for, was not allowed under EU rules.

BBC: Horsemeat scandal: France summons meat industry chiefs