Practical experience of residual pillar resources recovery during old workings close period in Xiangxi Gold Mine was summed up in this paper.

本文总结了湘西金矿老矿山闭坑中充分回收残矿柱资源的实践经验。

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youdao

At the close of this period of antagonism Bankim Babu wrote me a letter which I have unfortunately lost.

班吉姆先生在结束这场争论时给我写了一封信，可惜我现在已经把它丢失。

youdao

Security officials in Massachusetts say there are no known threats to Boston and that Thursday's raids at a suburban home and a fuel station followed a period of close, confidential contact with New York's police department and federal agents.

VOA: standard.2010.05.14

Dusautoir drove over from close range after a period of sustained pressure for the opening try.

BBC: Toulouse 17-3 Dragons

Consciously or not, that period remained close to her heart.

WSJ: Designer Margaret Howell | The Cult of

Effective October 1, 2002, trading partner and central fiduciary agencies are responsible for working together to resolve any differences within 25 business days after the close of the reporting period.

WHITEHOUSE: M-03-01, Business Rules for Intragovernmental Transactions, Attachment B | The White House