upstream activities 中文意思是什麼

upstream activities 解釋
上游活動
  • upstream : adv. 向上游，溯流。adj. 1. 溯流而上的。2. （石油工業等）上游的，和石油的勘探、開采及輸送到起運港口有關的〈石油工業此後的提煉等過程則稱為下游（downstream）產業〉。
  • activities : 各項活動
  1. The activities of totalfinaeif are divded into four business divisions ; upstream, ( exploration and production of crude oil and natural gas ) ; trading and midstream gas and electrcity ; downstream ( relining distrbution of oil products and imternaeional trade in crude oil and petroleum products ) and chemicals

    道達爾菲納埃爾夫公司的業務可分為四個業務領域：上游（原油和天然氣的勘探生產） ；貿易、天然氣與電力；下游（煉油、成品油銷售、原油和各類成品油的國際貿易）和化工。
  2. With china ' s socio - economic development and increasing attention to water resources projects " construction paid by chinese government, the upstream areas of many reservoirs which were originally natural catchments are currently intervened by different kinds of human activities. these rational and irrational human activities altered reservoirs " catchments natural conditions, as a result, their geological, geographical and hydrological characteristics become more complicated, and consequently their greatly changed hydrological regimes affected reservoirs " routine operation

    隨著社會經濟的發展和國家對水利建設的日益重視，許多上游本為天然流域情況的水庫若干年後其上游發生了各種類型的人類活動，這些合理或不合理的人類活動改變了上游的天然狀況，上游地質、地貌及水文情勢變得復雜起來，一定程度上影響了水庫所處流域的水文環境和水庫的運行方式。
  3. Relation upstream downstream based dsm ( udbd ) is defined to avoid singleness of classical dsm and it reinforces the capability to describe activity relations ; iteration udbd is defined to describe multi iteration modes of activities ; overlapping udbd make it possible to describe activity overlapping with matrix

    定義了關系udbd （基於上下游關系的設計結構矩陣） ，避免了傳統dsm對活動關系描述的單一性，增強了對活動關系的描述能力;定義了迭代udbd ，解決了多種迭代模式的描述問題;定義了重疊udbd ，使利用矩陣描述活動重疊成為可能。
  4. Petronas is also involved in upstream activities in algeria angola chad cameroon gabon niger sudan south africa tunisia and lybia

    還在阿爾及利亞安哥拉查德喀麥隆加彭奈及利亞蘇丹南非突尼西亞利比亞從事上游活動。
  5. The construction of middle and small - size reservoirs is impact - profound human activities. this paper aims to conduct flood - routing of designed inflow floods of downstream reservoirs under consider ation of existence of upstream middle and small - size reservoirs, quantitatively analyze the degree of impact of the upstream reservoirs " dam - break floods or flood - regulating functions on design inflow floods of the downstream reservoirs

    上游修建多個中小水庫就是一種較大規模的人類活動，本文研究旨在考慮上游多個中小水庫影響的條件下，對現有的下游水庫設計入庫洪水過程進行調洪演算，定量分析上游中小水庫的蓄泄對下游水庫設計入庫洪水過程調度的影響程度。
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