acoustic signal短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 听觉信号 Some chaotic feature parameters of the underwater acoustic signal have been calculated. 分析了混沌检测系统的一些特征参数。 cnki Study on several factors influent the targets acoustic signal's transmission such as: air temperature, air humidity, wind velocity, wind direction, rain and snow. 研究了影响目标噪声传播的因素:空气温度、湿度、风速、风向及大气中的雨雪等。 cnki