他还表示，莫斯科和哈瓦那正在准备签署空间合作协议的，同时也在考虑联合使用地球遥感卫星的途径。
He said Moscow and Havana are working on a space cooperation agreement and have considered ways of jointly using earth remote sensing satellites.
这意味这服务请求者必须与另外一个服务提供者签署协议来调用地址查询Web服务。
This means that the service requester has to sign another contract with the service provider to invoke the Address Finder Web service.
本地主机，利用地址解析协议定位目标主机端及要传送数据包。
In the case of a local host, the ARP is used to locate the MAC of the target host and the datagram that is transmitted.
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