Subnet mask is mainly used to define the network number, host number of IP address and divide one heavy IP network into several subnets.

子网掩码主要用于确定IP地址中的网络号和主机号以及将一个大的IP网络划分为若干个小的子网络。

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This method constructs a socket targeted to the TCP server on the localhost at a host number known both to the client and server through URIConstants.

此方法将通过URIConstants在客户机和服务器已知的主机编号上构造一个套接字，该套接字以本地主机上的TCP服务器为目标。

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Note that the "192.168.1" represents the LAN that this particular host is a member of and the x indicates the specific host number that you are attempting to ping (e.g.

注意到 ”192.168.1" 代表的是该主机所属于的网络，而 x 则表示试图要 ping 的主机号码（例如 Oracle），这两部分组成了一个完整的 IP 地址。

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She says the number of people staying with host families has significantly increased to at least 40,000.

VOA: standard.2009.09.13

As part of the Nuclear Security Summit, the President is currently planning to host a number of bilateral meetings.

WHITEHOUSE: Press Briefings

The first UK City of Culture is likely to host a number of nationally significant events, but will not receive any government funding.

BBC: Londonderry named the UK City of Culture

Some of AEG's venues, such as London's O2 arena, host a disproportionate number of high-priced concerts.

WSJ: Promoter Crowds Ticketmaster