manned investigation meaning in English

用有人驾驶飞行器考察

Senior investigator eric fan sai - chor , a member of the nine - man investigation team , recounted his first reaction in a sound recording , when assigned the case
当时九人小组成员之一是高级调查主任范势楚，且从录音片段听他亲自讲述当时被委派处理这宗案件的第一反应。
The complexity of the case did not put off the nine - man investigation team . they first concentrated on locating all those involved in the construction work of the 26 blocks , including the owners and staff of the construction companies , and the government officers supervising the projects
对任何一个有助破案的线索都绝不放过，小组的首要工作便是寻找曾参与建造廿六座公屋的机构与人物，包括建筑公司的负责人职员及监督工程的政府人员。