光 ひかり基準 きじゅん面 めん

hikarikijummen

1. Not a light reference surface.; Not based on light.

1. Was a light reference surface.

1. On the light reference surface.

1. Light-based reference surface; Reference surface based on light

1. It is not a light standard surface.; It's not based on light standards.

1. Not based on light.; Not a light standard.

1. Was the light reference surface.

1. Light standard surface.; Polite form: It is the light standard surface.

1. It is not a light reference surface.; It is not the light standard plane.

1. Wasn't the light reference surface.; Wasn't the light standard plane.

1. Probably the light-receiving surface.; Probably a light-based reference plane.

1. It wasn't based on light.; It wasn't a light-based standard.

1. It wasn't the light-based reference surface.; It wasn't based on light.

1. Probably the light-receiving surface.; Possibly the light standard plane.

1. Was not an optical reference surface.; Was not the optical standard plane.

1. If/when the light reference surface…; If the light reference surface were…

1. If the light reference surface; Given the light reference surface

1. If/when the light reference surface; When the light reference surface exists