data of cross-section comparison 中文意思是什麼
data of cross-section comparison
解釋
截面對比資料- data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
- of : OF ＝Old French 古法語。
- cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
- section : n 1 （外科、解剖的）切斷；切割；切開。2 【外科】切片，【金相】磨石。3 （果子的）瓣。4 【數學】截...
- comparison : n. 1. 比較，對照；類似。2. 【語法】比較法；【修辭學】比喻。
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The comparison between the experimental data with numerical simulation show that the model have a higher precision in the lateral scouring and sedimentation deformation, time interval quantity of deposition, and output sediment concentration process during sand peak at various cross section and is applied fairly good to practical engineering
青銅峽水庫的實測資料對模型驗證結果表明：模型在水庫不同斷面橫向沖淤變形、時段淤積量、沙峰期出庫含沙量過程都具有較高的精度，能較好地運用於工程實際。 -
The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth
第一部分主要介紹了gis的概念和研究內容， gis與相關軟體的比較以及gis的現狀、發展趨勢、當前gis研究的熱點等等，然後具體介紹了用gis的相關技術如：用「半自動跟蹤」方法對地圖進行數字化，用「自動量算」方法得到線對象的長度、面對象的面積等，最終完成了象山水庫下游法別拉河河道地形數據資料的提取工作，這種方法與人工實地採集工作相比，有較強的優越性和重要的實際應用價值。
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