Taking UL certification as an example, Working procedure of certification and Problems of selective use of critical components are described in this paper.

以UL认证为例，阐述了认证工作的程序；对认证工作所涉及到的产品关键零部件的选择问题进行了说明。

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The IFC certification procedure focuses mainly on the correct interpretation and creation of the geometry.

IFC认证的重点是对几何图形的正确解释和创建。

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Certification of the device according to FDA procedure is being carried out in the USA and Canada markets.

厂家正按照FDA程序为本装置办理在美国以及加拿大的有关证书。

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There is a rigorous certification procedure, none of which (Jessica) had.

CNN: Crash of child pilot prompts review of FAA guidelines