Our research has certain reference value in enacting standard and prevention of noise.
本研究为制订学校噪声标准和噪声防治提供了科学依据。
No noise of the city siren, no piles of reference books that we learn.
没城市汽笛地喧哗，没成堆地参考书自己们进修。
No noise of the city siren, no piles of reference books that we learn.
没城市汽笛地喧哗，没成堆地参考书自己们进修。
应用推荐