Hikers in the same group should periodically stop to rest and talk. Avoid Shouting to communicate while hiking. Loud noises usually are not welcome in natural areas.
在同一组内的徒步者必须周期性的停下来休息和交流。避免在行进间大声沟通。高声的噪音在自然环境下是不受欢迎的。
The statistical characteristic can be used to suppress random noises successfully and to avoid the influence of source wavelets.
其统计特性可成功地用于压制随机噪音，不受震源子波的影响。
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