These results have provided useful bases for recommending reference dose of related natural radiation exposure, parameters of Chinese reference Man and background value of radiation monitoring.

这些结果为推荐我国天然辐射剂量参考值、我国参考人相应参数和辐射监测背景值提供了有用依据。

youdao

youdao

First published in 1783, this reference book by the American man of letters Noah Webster remained a bestseller in the U.S. throughout the 19th century.

这本参考书由美国文学家诺亚·韦伯斯特于1783年首次出版，在整个19世纪一直是美国的畅销书。

youdao

"Remember the sword of your great-grandfather Ali, " in reference to the man who is regarded by the Shiites as their historical religious authority.

CNN: Saddam urges battle for every road

But taken on its own in the headline the "unprecedented" reference creates immediate alarm and suggests that man-made climate change is running away with itself.

BBC: Harrabin's Notes: Frozen assets

Some saw this as a reference to allegations that a few of MAN's employees had paid bribes to win contracts, and that by leaving Mr Samuelsson would allow a clean break with the past.

ECONOMIST: MAN, VW and Scania