Vehicle twin - photoelectrical pointing system mainly consists of reflex light - tubes, a autocollimation theodolite and modulators.車(chē)載雙聯(lián)光電瞄準(zhǔn)系統(tǒng)主要由折轉(zhuǎn)光管 、 自準(zhǔn)直經(jīng)緯儀和相應(yīng)的調(diào)制器組成.Just to avoid autocollimation errors, only Elbo Cont...