long focal depth

常見(jiàn)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(xué)技術(shù)來(lái)實(shí)現(xiàn)小焦斑、長(zhǎng)焦深的設(shè)計(jì)方法，完成了小焦斑、長(zhǎng)焦深的二元光學(xué)元件相位函數(shù)設(shè)計(jì)程序的編寫(xiě)。
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(wú)衍射結(jié)構(gòu)光概念，這種光具有線性結(jié)構(gòu)、焦深長(zhǎng)、線寬小等特點(diǎn)。