primary reflection meaning in English

一次波
原始反射

Since the water bottom multiples usually interfere with the primary reflections and induce overmigration during the migration stage , we propose one simple and easy method to extract the first order water bottom multiple
海底复反射之存在，不仅干扰了地层的反射讯号，在移位处理时，也会因为速度因素，导致过度移位的现象。
A building of high , the breadth , long comparison is very important . house for combination in an ideal of big set , reruns hour then contain the best frequency to respond to the width . frequency response range in other words , the combination can broadcast tallest to can also fully develop to the lowest frequency , and the equilibrium degree is as well high , and halt a circumstance is very tiny . the first glint wave primary reflection mutual interference for with wave secondary reflection of many glints the degree is not to result in confusion . combination that fundermental the diapason wave harmonics is again perfect
大套组合在一间理想的房子里，重播时便有最佳的频率响应宽度frequency response range 。换句话说，组合所能播放的最高至最低频率也可以尽情发挥，平衡度亦高，驻波情况极微。第一反射音波primary reflection和多次反射音波secondary reflection的互相干扰情度不至造成混乱。