严格来说，把代理模式服务作为现存服务的部署是不正确的，因为当代理模式服务被设置时，没有对最终接收者的引用。

Strictly speaking, it is not correct to refer to proxy mode services as deployments of existing services; there is no explicit reference to the ultimate receiver when a proxy mode service is set up.

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SPS接收机可在多种模式之一下工作，这多种模式可与SPS接收机的不同偏置电流设置相关联。

The SPS receiver may be operated in one of multiple modes, which may be associated with different bias current Settings for the SPS receiver.

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