提供者标识符是提供者的惟一标识符，提供者可以是一个组织或者负责一组操作的某个人。
The provider identifier is the unique identifier of a provider, and can be either an organization or an individual who is responsible for a set of operations.
提供者标识符是提供者的惟一标识符，提供者可以是一个组织或者负责一组操作的某个人。
The provider identifier is the unique identifier of a provider, and can be either an organization or an individual who is responsible for a set of operations.
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