短语词组短語widely undertaken 廣泛地開展PROJECTS UNDERTAKEN 科研立項;進行項目;開展項目;項目開展undertaken overseas 開展海外;進行海外undertaken in 在長海Undertaken by 承辦單位if undertaken 如果進行risk undertaken 風險分擔study undertaken 研究山西漢族undertaken project 項目承擔 返回 undertaken