investigate at first hand的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
參考翻譯
直接調查
investigate at first hand的用法和樣例：
例句
These direct investigations aim at addressing problems at a higher level by adopting a proactive and preventive approach. 進(jìn)行直接調查的目的，在于以積極主動(dòng)的態(tài)度，從較高層次著(zhù)手解決問(wèn)題。
Reports of all direct investigations completed are available for public scrutiny at the office's Resource Centre. 已完成的直接調查報告均存放于公署的資源中心，歡迎市民索閱。
