Monk Sha is the most common one of four teachers and prentices who go for lections in the west.
前往西天取经的唐僧师徒四人中最不起眼，最不受人注目的是沙僧。
2
The classical array theory mainly expounds how geophone array suppresses seismic noises, but seldom shows how effective seismic ref- lections are depressed and distorted by geophone array.