例句與造句

1. ISO / IEC 18000-7 : 2009 defines the forward and return link parameters for technical attributes including, but not limited to, operating frequency, operating channel accuracy, occupied channel bandwidth, maximum power, spurious emissions, modulation, duty cycle, data coding, bit rate, bit rate accuracy, bit transmission order, and, where appropriate, operating channels, frequency hop rate, hop sequence, spreading sequence, and chip rate.
2. It's difficult to find frequency hop rate in a sentence. 用frequency hop rate造句挺難的