Three decibels means a doubling of noise intensity in the ocean.

三分贝意味着海洋中的噪音强度加倍。

(Laughter) (Applause) In that 2017 trial, most of the ships complied, adding about half an hour to their travel time, and reducing noise by about 1.2 decibels or 24 percent of noise intensity.

（笑声）（掌声）在 2017 年的那次试验中， 大多数船只都遵守了，航行时间增加了大约半小时， 噪音降低了大约 1. 2 分贝或噪音强度的 24%。