This insulation provided security and eliminated the need to build an operational communications infrastructure capable of supporting communications sessions with multiple concurrent users.
这种隔离提供了安全性，也消除了建设业务通讯基础设施以满足多用户同时通讯的需求。
But the bulk of Mr Rudd’s stimulus, almost A$30 billion, will go on infrastructure: new school buildings, road repairs and house insulation.
然而，该方案的主要部分，约300亿澳元，将流向基础设施建设：建新校舍、维修公路、为房屋安装隔热层，而其他更多项目还将接踵而至。
But the bulk of Mr Rudd’s stimulus, almost A$30 billion, will go on infrastructure: new school buildings, road repairs and house insulation.
然而，该方案的主要部分，约300亿澳元，将流向基础设施建设：建新校舍、维修公路、为房屋安装隔热层，而其他更多项目还将接踵而至。
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