Resolution of imaging device on using a square-wavechart is generally expressed with Amplitude Response(AR).
成像装置通常使用方波图卡的分辨率与振幅响应（AR）表达。
2
Here's a great chart showing the timing of wave impact in Hilo, Hawaii after a Chilean earthquake in 1960.
这里是一个图表，展示的是1960年在智利的地震波的影响下的夏威夷的希洛，浪高随时间的变化。
3
It is a convenient method to estimate design wave parameters by utilizing calculation chart for wind wave factors in case there is no observed hydrologic data at engineering site.