Accreditation is often a voluntary process in which organizations choose to participate, rather than one required by law and regulation.
认证通常是自愿的，机构可自行选择参加与否，而非由法律或规章强制进行。
Accreditation is often a voluntary process in which organizations choose to participate, rather than one required by law and regulation.
认证通常是自愿的，机构可自行选择参加与否，而非由法律或规章强制进行。
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