long-term observation 中文意思是什麼

long-term observation 解釋
長期觀測
  • long : n 朗〈姓氏〉。vi 渴想,極想,渴望 (for 〈古語〉 after to do)。adj (longer longest )1 長,長的...
  • term : n 1 期限,期間。2 學期,任期;(支付)結算期;【法律】開庭期,(權利的)有效期間;定期租借(地產...
  • observation : n 1 觀察,注意;觀察力;?望。2 觀測,實測;【航海】測天;【軍事】觀測,監視,偵察。3 (觀察得的)...
  1. In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given

    另外,作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究,根據疲勞裂縫產生的不同機理,將其分為支點裂縫和肋間裂縫,並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施;對工程中經常遇到的結構構件,尤其混凝土構件的幾種主要病害(損傷、裂縫、腐蝕與老化)進行了機理分析並提出了防治措施。
  2. As a kind of variometer, fluxgate magnetometer should has high observation precision as well as long - term stability and favorable temperature features. the compensation technology is the key for the performance of fluxgate magnetometer. this paper made an introduction about the compensation principle of fluxgate instrument

    作為相對觀測的磁通門磁力儀,不僅要求其觀測精度應滿足要求,而且還要求儀器具有長期穩定性和良好的溫度特性,而對磁通門磁力儀的長期穩定性和溫度特性有重要影響的部分就是儀器的補償部分。
  3. The updated model with complete forcing has excellent ability of simulation and forecast. to study yellow and east china circulation in winter and summer, based on long - term ocean observation data of january and august, the fine structure of yellow and east china seas circulation is diagnostically calculated with complete forcing ( including surface wind stress, boundary transportation, baroclinic effect, tide, changjiang river runoff ) in winter. the influences of factors on main circulation patterns are discussed respectively

    對于冬季和夏季海洋環流的情況,在多年觀測的溫鹽資料基礎上,分別以1月份和8月份代表黃東海冬季和夏季的情況,以月平均大氣風應力、邊界流輸送、溫鹽斜壓效應、潮汐、長江口徑流等作為強迫條件,對黃東海環流的細微結構作了高分辨的三維數值模擬,探討了各因子對冬、夏季主要流系的動力學作用。
  4. Based on the field exploration and long - term underground observation, this paper reveals the zoning of structure and the timing of mechanical strength for dilative soil, and puts forward the experiment method to obtain values by zoning in the design of dilative soil slope

    通過野外勘探及地下長期觀測,揭示了膨脹土的結構分帶性和力學強度的時效性,提出了膨脹土邊坡設計中分帶取值和試驗方法。
  5. Clinical observation of long - term follow - up survey for child closed fracture of femoral shaft : a report of 147 cases

    兒童閉合性股骨幹骨折147例長期隨訪臨床觀察
  6. Microencapsulated bovine chromaffin cells transplants into hemiparkinsonian monkeys : a long - term observation on behavior and histomorphology

    微囊腎上腺髓質嗜鉻細胞蛛網膜下隙移植治療晚期癌痛病人的療效觀察
  7. This article is based on statistic and analysis of the long - term observation data of the groundwater in the karst basin from 1987 to 2005 and systematically discusses the water level of karst groundwater, the pumping volume and the carved distribution regulation because of over - pumping water and puts forward some specific measures to reasonably development and utilization of groundwater resources

    摘要通過覆蓋型盆地巖溶盆地中取水深井1987年2005年盆地地下水長觀資料統計分析,系統探討了宕溶地下水的水位、取水量以及抽水產生的塌陷分佈規律,提出了合理開發利用地下水資源的具體措施。
  8. The meteorological satellites, resource satellites, oceanic satellites and disaster monitoring satellites can develop into an earth observation system for long - term stable operation to conduct stereoscopic observation and dynamic monitoring of the land, atmosphere, and oceanic environments of the country, the peripheral regions and even the whole globe

    以氣象衛星系列、資源衛星系列、海洋衛星系列和環境與災害監測小衛星群組成長期穩定運行的衛星對地觀測體系,實現對中國及周邊地區甚至全球的陸地、大氣、海洋的立體觀測和動態監測。
  9. This means the effects can be reduced by long - term continuous observation. but for the short - time observation, for example, the determination of zenith delay, the effects ca n ' t be reduced obviously, because the interval between the zenith delay parameters is often short

    這說明長時間的連續觀測可以削弱海潮的影響,但對于短期的觀測,比如在估計天頂延遲量時,由於估算天頂延遲參數的時間間隔通常較短,海潮的影響還是不能很好地抵消。
  10. Based on the long - term observation of the formation of the vegetation and the ecological features in houyuntaishan mountain area, this paper elaborates on the ecological features of the scattered forest community on the natural environment in the neighborhood and analyzes the degeneration of the artificial forest and its dynamic process as well

    摘要在對連雲港后雲臺山地區植被的種類構成和自然生態狀況長期觀察的基礎上,闡述了森林植物群落對自然環境的生態作用,對區內的人工森林退化問題及其動態過程進行了分析。
  11. Indicators system for long - term observation of forest ecosystem

    森林生態系統定位觀測指標體系
  12. It also is creating a long term on observation system to study the effects of climate change

    他們同樣正在創立一個長期觀察系統,用以研究氣候變化的影響。
  13. Based on the available high - quality surface - meteorlogical observation data from 22 stations in trim basin from 1961 to 2000, investigation has been conducted for the temporal and spatial distribution characteristics, especially for interdecadal change and long - term trend of sandstorm in trim basin in recent 40 years

    摘要本文利用1961 - 2000年塔里木盆地22個氣象站的氣象實測資料,分析了近40年塔里木盆地沙塵暴天氣的時空分佈特徵。
  14. The sensitivity analysis of design parameter of subgrade and pavement are used to confirmed the degree of impact on working state with change of the design parameter, it is the rational and economy that the range of design parameter are proposed. structure combination design is used to proposed basic structure of qinhuangdao ' s asphalt pavement in view of local natural environment, build material, traffic classification and soil grades. this paper puts forwards suiting 39 kinds of typical structure of qinhuangdao ' s asphalt pavement according to the actual structure, experimental section long - term observation, extensive surveys, structure theory ' s analysis and calculation

    在公路等級、交通量等級、土基等級及路面材料參數研究的基礎上進行路基路面設計參數敏感性分析,用以確定設計參數的變化對路基路面工作狀態的影響程度,並據此給出了經濟合理的路基路面設計參數范圍;結合本地自然環境、築路材料、交通狀況及土質情況進行路面結構組合設計,提出了適宜於秦皇島地區公路瀝青路面的基本結構;最後根據實際路面結構、試驗路的長期觀測、大量調查與路面結構理論分析計算相結合,提出並推薦適合秦皇島地區的39種瀝青路面典型結構,這是本課題的主要宗旨,其研究成果將直接指導設計人員的工作,並避免隨意性和盲目性,對加快秦皇島地區公路交通事業的發展將具有十分重要的意義,對其他地區也有一定的指導意義。
  15. It is also creating a long - term observation system to study the effects of climate change

    還創建一個研究氣候變化的長期的觀察系統。
  16. It also is creating a long term observation system to study the effects of climate change

    同時,也在建立一個研究氣候變化影響的長期觀察系統。
  17. It also is creating a long - term observation system to study the effects of climate change

    它也正在創建一個長期的觀察系統來研究氣候變化的影響。
  18. It is also with creating a long - term observation system to study the effects of climate change

    它同樣能聯合所建立的一個長期觀察系統來研究氣象變化的影響。
  19. Short - and long - term observation of ulcer with helicobacter pylori negative treated by the method of tcm combined with western medicine

    愈瘍湯聯合泰胃美治療幽門螺桿菌陰性消化性潰瘍的近期及遠期療效觀察
  20. It is also its creating a long term observation system to study the effects of climate change

    並且,他們也創建了一套長期觀察系統以研究氣候改變所致的效應。
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