It will continue to fall until at β l = 3 π / 2 {\displaystyle \scriptstyle \beta l=3\pi /2\,} it again presents a short circuit.
它会持续下降到 β l = 3 π / 2 {\displaystyle \scriptstyle \beta l=3\pi /2\,} ，然后再次表现为短路。