It is faster than having a band switch!
它是速度超过了波段开关！
Turn band switch on the basis of actual need and choose suitable open and close speed.
根据实际需要，转动波段开关，选择合适的开启、闭合的速度。
Unlike other bats and trilling birds, the clear-winged woolly bat and its relatives did not switch to a more narrow-band call as they got to this super-fast calling level.
不像其他蝙蝠和啭鸣的鸟类，洁翼彩蝠和它们的近亲因为达到了超高速水平并不需要切换到一个更窄的波段来啼叫。
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