long focal depth

常見例句

Second, it is discussed that how to carry out the performance, and complete the programme of BOE's phase function with long focal depth and small spot.
其次，分析并討論了用二元光學技術(shù)來實現(xiàn)小焦斑、長焦深的設計方法，完成了小焦斑、長焦深的二元光學元件相位函數(shù)設計程序的編寫。
This paper puts forward a conception of a non-diffraction structured light (NDSL), which has characteristics such as linear structure, long focal-depth and narrow line-width, etc.
提出了一種無衍射結(jié)構(gòu)光概念，這種光具有線性結(jié)構(gòu)、焦深長、線寬小等特點。