Since 1983 a substantial research effort has been undertaken at IMF to develop the Information Notice System (INS) to facilitate surveillance over the exchange rate policy of Fund members.

自1983年以来，IMF做了大量研究工作，开发了信息通知系统(INS)，以促进对基金组织成员国汇率政策的监督。

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Defence officials have a policy of not commenting on surveillance missions, but said they would give details this time because of media reports about the confrontation.

BBC: File image of Predator MQ-1 drone

"Substantial improvements in the infrastructure of planning and policy, leadership and advocacy, workforce training and surveillance must be realized, " he said.

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