Как по Английски будет 调查性的

adjective

Of or concerned with investigating something.

Примеры использования:

A special investigative committee to look into the strikers' demands

adjective

Of, relating to, or involving investigation; of the nature of or characteristic of an investigator; that is charged with investigating someone or something.

adjective

That has the function or effect of investing someone or something; of, relating to, or constituting investiture or investment. rare before 20th century.