楼主辛苦了，很受用
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Applies technical expertise, commensurate with formal training and moderate job experience, in the development of products or processes. Work involves choosing between alternative proven technologies with some originality and moderate technical risk. Designs new products or major modifications to existing products having a few complex technical aspects. Complex work is subject to detailed review. Applies complete working knowledge of applicable technology and industry or company standards. Prepares all required technical documentation or data. Provides technical support of several products or a major part used on many products. Develops applicable processes.. n7
为什么第一个字母用复数？？
很实在的东西，谢谢分享