例句與造句

1. Linear Time-Invariant ( LTI ) Systems : definitions and properties; casualty, stability, impulse response, convolution, poles and zeros frequency response, group delay, phase delay.
2. Linear Time-Invariant ( LTI ) Systems : definitions and properties; causality, stability, impulse response, convolution, poles and zeros frequency response, group delay, phase delay.
3. It's difficult to find zero frequency response in a sentence. 用zero frequency response造句挺難的