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safety certification
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safety certification
安全认证
由可以充分信任的第三方证实某一经鉴定的产品或服务符合国际通用安全标准或规范性文件的活动。
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regular polytope
regular position
regular power series
regular precession
regular premium
regular prime
regular prime number
regular prism
regular problem
regular process
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regular projective transformation
regular pyramid
regular quadratic form
regular quadratic space
regular quadric hypersurface
regular quotient object
regular ramification point
regular random process
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regular rational mapping
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