由于认证对象、认证功能、自愿或强制性的不同，班级经营认证会有不同的范围、焦点、严格度。
The scope, focus, and rigorous level of accreditation are different due to the various object, function, and participation mode of accreditation program.
由于认证对象、认证功能、自愿或强制性的不同，班级经营认证会有不同的范围、焦点、严格度。
The scope, focus, and rigorous level of accreditation are different due to the various object, function, and participation mode of accreditation program.
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