secondary stream 中文意思是什麼

secondary stream 解釋
次級河
  • secondary : adj 1 第二(位)的,第二次的;中級的 (opp primary)。2 副(的);從屬的;附屬的;輔助的;補充的...
  • stream : n 1 河流,小河;川,溪。2 流出,流注;一連串,(人物等的)輩出。3 (事件等的)連續;(財富等的)...
  1. The nozzle flow is composed of the main gas stream and the secondary air stream in order to simulate the nozzle of turbofan engine

    噴管中的氣流由主流燃氣和次流空氣組成,用以模擬渦扇發動機的噴管。
  2. International student stream : for applicants who have graduated from a post - secondary education program in manitoba, have a job offer related to their field of studies and have been issued a post - graduation work permit allowing them to work in manitoba

    申請人自曼省畢業(大專以上學業) ,獲得與他們專業有關的工作合同,並且獲得在曼省的畢業生工作許可。
  3. ( 6 ) as dean number is increased, the secondary flow firstly becomes symmetry and then the anticlockwise vortexes are enlarged, the contours of axial velocity and the stream function become symmetry, the secondary flow is intensified and the friction factor ratio increases

    ( 6 )增大dean數,二次流先趨于對稱而後逆時針方向的二次渦增大,軸向速度和流函數等值線趨向于對稱,摩擦系數比增大。
  4. ( 5 ) as torsion is increased, the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1

    ( 5 )增大撓率,逆時針方向旋轉的一二次渦和流函數的負值區域增大,軸向速度最大值的位置按逆時針(環形截面)或順時針(圓截面)方向旋轉,摩擦系數比最終趨向於1 。
  5. The simulation results show the obvious effect of " stratified and staggered impinging stream type multiple - nozzle secondary air " on eliminating soot

    在理論上證明了煤無煙燃燒鍋爐「多孔分層錯列撞擊流」式二次風在消除碳黑方面具有明顯的效果。
  6. The analysis for the evolution of the upper westerly field, north - south wind field show that the upper jet stream is a good indication to sandstorm - occurring areas, the strong sandstorm appears at the right side of the entry domain of the jet stream and the ascension domain of secondary circulation

    對高空東西風場、南北風場的演變進行分析,發現高空急流對沙塵暴發生區有很好的指示作用,強沙塵暴位於200hpa高空急流入口區右側、 500hpa正渦度中心下風方和次級反環流的上升區域內。
  7. This paper sums up characteristics of au anomalies within tertiary red elastic beds in a certain area of qinghai province, and points out that au anomalies mainly exist in the middle part of the tertiary strata, that anomalies are most strong in stream sediments, and that au anomalies result from secondary enrichment of au

    摘要對青海某地第三系紅色碎屑巖層中的金異常特徵進行了綜述,指出金異常主要存在於第三系中段巖層中,異常在水系沈積物中強度最大,並認為金異常由次生富集作用形成。
  8. Abstract : this paper sums up characteristics of au anomalies within tertiary red clastic beds in a certain area of qinghai province, and points out that au anomalies mainly exist in the middle part of the tertiary strata, that anomalies are most strong in stream sediments, and that au anomalies result from secondary enrichment of au

    文摘:對青海某地第三系紅色碎屑巖層中的金異常特徵進行了綜述,指出金異常主要存在於第三系中段巖層中,異常在水系沉積物中強度最大,並認為金異常由次生富集作用形成。
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