A calabash is a light-green vine fruit, also known as opo squash or long melon.

葫芦是一种藤状植物的草绿色果实，又被称为瓠子或者长瓜。

It is extreme help for lower threshold mini-KTP OPO design.

这对设计小型低阈值opo器件有极大的指导意义。

The method of obtaining tunable RGB lasers with OPO technology is demonstrated.

论证了应用光学参量振荡技术实现可调谐RGB激光光源的可行性方案。

His greatest merit was to have worked with it totally, from opera to opo and operetta.

他最大的优点就是全身心投入工作——从歌剧到流行音乐和轻歌剧。

A linear polarized-oscillating condition exists in the resonator, and the field of the pump laser for the OPO can be homogenized.

正交波罗棱镜腔存在腔内振荡光束线偏振运行条件，匀化了内腔OPO的抽运光光场。