with引导的独立主格实在让小虾米很费解,Theincidentwaveisassumedtotravelrightwardalongthepositivexaxis,withtheorigindefinedasthefirstfaceofthematerialseenbytheradiation.

Question

with引导的独立主格实在让小虾米很费解,
The incident wave is assumed to travel rightward along the positive x axis,with the origin defined as the first face of the material seen by the radiation.

Answer 1

入射波沿着横坐标的正方向向右行进,原点则定义为辐射到材料的第一面.
专业词汇不是很了解,但with应该就是一个补充的意思.