The preventive of mould, fog, rust for surveying and mapping instruments 測繪儀器防霉防霧防銹
On the role of surveying and mapping instruments insurveying and mapping development 論測繪儀器在促進測繪事業(yè)發(fā)展中的作用
Abstract : this paper analyzed new pattern of geodetic instruments and equipments based on the requirements of geomatics . investigation of developing lines of domestic surveying and mapping instruments 文摘:從信息時代測繪學(xué)對測繪儀器的要求出發(fā),分析了測繪儀器的新格局,探討了我國測繪儀器發(fā)展思路。
Based on investigation and analysis, this paper found out the factors affecting deviation of marine piling, i . e . geological & geomorphological features, hydrometeorogical situation, vessel machines, underwater barriers, staff's sense of responsibility and experience, error of surveying and mapping instruments, as well as the passing vessels, etc 摘要通過調(diào)查分析,找出影響水上沉樁偏位的因素:地質(zhì)地貌、水文氣象、船機設(shè)備、水下障礙物、人員責(zé)任心和經(jīng)驗、測繪儀器的誤差、過往船只,等等。