To handle statistical investigation forms of such units, to establish and improve statistical master-file systems and to establish and improve, jointly with organs or persons concerned, original record systems.是什么意思_To handle statistical investigation forms of such units, to establish and improve statistical master-file systems and to establish and improve, jointly with organs or persons concerned, original record systems.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句