three-way trunk 中文意思是什麼
three-way trunk
解釋
三方通話中繼器-
This thesis is main analysis three gorges project to the great significance of the yangtze river shipping with main influence, make use of the safe condition of magistracy of yangtze river trunk line to synthesize the valuation way, to yangtze river upper stream water top transportation safety proceed take the gauge of, reason of detailed analysis trouble, find out the safe weak link that ascend of management, actual circumstance after join teetering the three gorges water area the water, bring up to establish the three gorges water area the shipping safety management system ' s speculation, provide the upper grade to test, then slice solid enhance the water on the transportation safe manage, and insure the three gorges water area the water on the transportation the stability of the safe situation
而近年來，長江上遊船舶航行秩序不穩定，事故多發，安全形勢不斷惡化，使三峽庫區形成后的航運安全管理顯得尤為重要和突出。本文主要分析三峽工程對長江航運的重大意義和主要影響，運用長江干線轄區安全狀況綜合評估辦法，對長江上游水上交通安全進行評估，詳細分析事故原因，找出安全管理上的薄弱環節，結合三峽庫區蓄水后的實際情況，提出建立三峽庫區航運安全管理體系的構想，供上級參考，以切實加強水上交通安全管理，確保三峽庫區水上交通安全形勢的穩定。 -
Primarily is to since 1995 the trouble circumstance of the yangtze river upper stream classification proceed statistics, application the safe condition of magistracy of yangtze river trunk line synthesize the valuation way, and proceeds to the safe condition of the yangtze river upper stream of three year take the gauge of, find out the main characteristics of trouble, and proceeds to trouble reason degree row preface, synthesize to analyze the trouble reason, clear and definite to have to establish the three gorges water area the shipping the safety to manage the system, and can insure the ships sail, anchor with homework safety
主要是對1995年以來長江上游的事故情況分類進行統計，運用長江干線轄區安全狀況綜合評估辦法，對近三年長江上游的安全狀況進行評估，找出事故主要特點，對事故原因進行頻度排序，綜合分析事故原因，明確只有建立三峽庫區航運安全管理體系，才能確保船舶航行、停泊和作業安全。
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