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| Chinese | English |
| 电源线 | supply line |
| 线性声源 | linear source of sound Point noise sources placed one after the other one as, for instance, in a row of cars moving on a road (像在道路上行驶的一列汽车一样顺序放置的点噪声源。) |
| 线源 | line source Line source means a one-dimensional source. An example of a line source is the particular emissions from a dirt road (指一维源。关于线源的一个例子是从一条污物排放道路进行特定的污物排放。) |