The surrogate host instantiates a surrogate object, which is obtained from the JAR file.
代理主机实例化一个代理对象，该对象是从该JAR文件获得的。
Likewise, a digital wireless camera could use the same surrogate host as a means of locating the printer and printing out a picture.
类似地，无线数码相机会用同一代理主机作为定位打印机和打印图片的方法。
A printer, for instance, could locate a surrogate host and deliver code in order to register a printing service on behalf of the printer.
例如，打印机可以定位代理主机并传递代码以便为该打印机注册打印服务。
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