技术辅助中心 tac technical assistance center: 技术援助中心technical assistance: 技术协助;技术援助; 技术援助arab fund for technical assistance: 阿拉伯技术援助基金basic agreement on technical assistance: 技术援助基本协议bilateral technical assistance: 双边技术援助下载手机词典可随时随地查词查翻译