and through various certification
通过各种认证
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In general, through various types of rigorous certification requires a few years, and no qualifications are not eligible for the relevant market access, can not participate in market competition.
一般通过各类严格的资质认证需要几年的时间，而没有资质则没有相关市场的准入资格，无法参与市场竞争。
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