“virtual private network,VPN”的概念、定义、翻译、参考文献-科学参考

单词	virtual private network,VPN
释义	virtual private network,VPN Encyclopedia 管理学VPN技术释 virtual private network,VPNVPN技术通过隧道技术在公共网络上仿真一条点到点的专线，采用认证、存取控制、机密性、数据完整性等安全措施，保证信息在传输中不被窃听、篡改、复制，从而达到信息安全传输的目的。
随便看	approximating function approximating operator approximating proper mapping approximating rational curves and surfaces by polynomials approximating rational curves by polynomials approximating rational surfaces by polynomials approximating sequence approximating set approximation approximation accuracy approximation algorithm approximation boundary condition approximation by continued approximation by continued fractions approximation by convex sets approximation by defect approximation by diffusion approximation by excess approximation by function of complex variable approximation by interpolation approximation by least squares approximation by linear operators approximation by operators approximation by periodic transformations approximation by polynomials

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