| 单词 | prefocus | 
| 释义 | prefocus听听怎么读 
                            英 ['pri:'f??k?s]
                         
                            美 ['pri'fo?k?s]
                         是什么意思 使预先聚焦,预先调节…的焦距;预聚焦; 学习怎么用 权威例句Prefocus projection lampPrefocus projection lampA high-resolution electron gun for thermoplastic recording using prefocus deflectionDimensions Of Prefocus Lamp-caps And Lampholders (for Voltages Not Exceeding 250 Volts)Prefocus Cap Pk22s; Assembly Of Ring And Cap On Finished LampIec Lamp Caps; Prefocus Cap Pkx22s; Assembly Of Ring And Cap On Finished LampsPrefocus and verbal orientation in Sarangani BilaanA Theoretical and Experimental Analysis of the 28% Focus Ratio High Voltage Bipotential CRT Gun Using the Thick G2 Prefocussing LensSystem and computer readable medium for pre-focus of digital slidesPre-focus lens in a he-crt | 
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