地表水环境风险应急设施
surface water environment risk contingency facilit
公开密钥基础设施
PKI
Banfona
Beam-physical
public key infrastructure PKI
PKI public key infrastructure
public key infrastructure
公共密钥基础设施
PKI
public key infrastructure
港口基础设施
port infrastructure construction
防灾基础设施规划
Infrastructure Planning for Disaster Prevention
电子政务基础设施
electronic government infrastructure