例句與造句

1. The latter has its frequency spectral components concentrated at twice the original binary data rate because the polar RZ code has a pulse duty cycle of 50 percent.
2. The engines were hot-fire tested at White Sands Test Facility in 2007 and 2008 to verify that they could perform the pulsing duty cycle required by Ares I-X.
3. It's difficult to find pulse duty cycle in a sentence. 用pulse duty cycle造句挺難的