An IP address serves two principal functions: host or network interface identification and location addressing.

IP地址用于两个主要功能：主机或网络接口标识和位置寻址。

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Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.

通过主成分分析法将众多指标进行综合，消除样本间的信息重叠，降低BP网络的输入维数。

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Principal Fission is defined as the reality of society based on computing network, which exists while the virtual society is, symbolized.

主体的裂变是指现实社会主体在以计算机网络为基础的虚拟社会中通过符号化的方式实现的存在。

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"The A465 is a crucial artery of our transport network and the principal road link between west Wales and the Midlands, " he said.

BBC: Safety hopes in ?150m Heads of the Valleys road plan

Transport Minister Carl Sargeant called it "a crucial artery of our transport network and the principal road link between west Wales and the Midlands".

BBC: ?150m A465 Heads of the Valleys road project awarded

When hunting for tech stocks, investors should consider not only traditional factors like valuation and income growth, but also the "network effect, " says Kishore Rao, a research principal with Sustainable Growth Advisers in Stamford, Conn.

WSJ: Upside: Why Tech Stocks Look Better��Even for the Risk Averse