　(4)次波在P点处的位相，由光程nr决定。的翻译：　(4) secondary wave p at the point of the phase, determined by the optical path Nr. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

[object Object]

　(4) secondary wave p at the point of the phase, determined by the optical path Nr.

　(4) wave in P place phase, decided by optical path nr.

( 4) The first wave in P point, by the light of nano-NR decision.

　(4) secondary wave p at the point of the phase, determined by the optical path Nr.