matched ceiling meaning in Chinese

企口顶棚
镶配天花板

Given large ngos with many service units would still be regarded as one ngo and be allowed to submit one application only , the matching ceiling for each application should be increased to above $ 500 , 000 to encourage participation from larger ngos
鉴于辖下有多个服务单位的大型非政府机构仍会视为一间非政府机构，只准提交一项申请，每份申请的按额资助上限应增至50万元以上，以鼓励较大型的非政府机构参与；