The ordinal number matching the number one trillion in a series.
第一万亿,第一兆可数数列中与一万亿相对应的序数
The ordinal number matching the number90 in a series.
第九十在数列中与数字90相配的序数词
A filter whose transfer function is matched with the frequency spectrum function of input signal.
其传递函数与输入信号的频谱函数相匹配的一种滤波器。