port traffic survey 中文意思是什麼
port traffic survey
解釋
港口交通調查-
Therefore, we study on the survey method for the statistics of whole industry waterway transportation volume based on the basic units of ships management and waterway traffic safety superintendence - port and waterway superintendence units ( pws units ). in this dissertation, we mainly studied and solved the following three problems : 1
由此對依託我國的水上安全監督和船舶航行管理的基層單位? ?港航監督所、監督站和監督點(以下簡稱為:港航監督所站)開展全行業水路運輸量統計調查進行了研究,本論文重點研究和解決了方案設計中以下三方面的問題: ( 1 )依託港航監督所站,進行全行業水路運輸量抽樣調查的具體方法研究和篩選。
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