科研之友
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摘要
When they are flying,Great evening bat ( Ia io ) produces short FM echolocation calls including three harmonics,of which the first one and the second one are stronger.As they fly,the first harmonic is modulated from 49 0 to 18 3 kHz,the second one is modulated from 80 0 to 35 6 kHz,and the thi...
- 出版日期2001
- 单位东北师范大学; 中国科学院动物研究所; 贵州师范大学
