The result of the calculation shows that the gun has the function of dynamic focus,and dynamic focus voltage is depress.The performance of the gun is well improved. 結果表明屏邊角的光點(diǎn)形貌有了很大改善,動(dòng)態(tài)聚焦電壓得到了很大降低,表明了該改進(jìn)槍具有一定的動(dòng)態(tài)聚焦作用,槍的性能有了很大的提高。