4 sentences

1. 长时间暴露在噪声中对听力有害。

   cháng shí​jiān bào​lù zài zào​shēng zhōng duì tīng​lì yǒu​hài.

   Long-term exposure to noise is harmful to one's hearing.

   Source: Dong Chinese Dictionary

2. 这种机器发出的噪声是间歇性的。

   zhè zhǒng jī​qì fā​chū de zào​shēng shì jiàn​xiē xìng de.

   The noise from this machine is intermittent.

   Source: Dong Chinese Dictionary

3. 这种量子噪声是由量子涨落引起的。

   zhè zhǒng liàng​zǐ zào​shēng shì yóu liàng​zǐ zhǎng​luò yǐn​qǐ de.

   This quantum noise is due to quantum fluctuations.

   Source: OpenSubtitles

4. 实验中利用了符合技术来消除背景噪声。

   shí​yàn zhōng lì​yòng le fú​hé jì​shù lái xiāo​chú bèi​jǐng zào​shēng.

   Coincidence techniques were used in the experiment to eliminate background noise.

   Source: Dong Chinese Dictionary