A variety of new schemes are being tested, including a mine-inspection regime and the certification of dealers.

一系列新的方案正在尝试中，这之中包括一个矿产检查体制和交易商认证。

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We will maintain adequate documentation of this certification for inspection upon request.

我们将按要求保持这些证明和检查的必需的文件。

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They maintain repair, inspection, and certification records for the owners of the craft.

他们为飞机机主保存维修，检查，证书等记录。

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Efforts to improve international regulations regarding the certification, inspection and maintenance of aircraft environmental control systems are needed.

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