the relationship between sound transmission, signal type, signal parameter and environmental adaptation of lipotes vexillifer in captivity was preliminarily studied.
本文报道了人工饲养条件下白鱀豚的发声、发声信号的类型和信号参数及其与环境适应的关系。
resource dependence theory; institutionalism theory; within-the-regime social organizations; the state and society; environmental adaptation strategies;