change data type 中文意思是什麼

change data type 解釋
改變數據類型
  • change : vt 1 改變,變更,變換,變革。2 交換;兌換;把(大票等)換成零錢;把(支票等)兌成現金。3 換(車、...
  • 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...
  • type : n 1 型,類型,(工業產品的)品種;風格,型式。2 典型,榜樣,樣本,樣板,模範,範本;典型人物;具...
  1. The vegetation type was classified in the east transect by unsupervised classification using the data ( ikmx 1km ) from noaa meteorology satellite from 1995 - 1996, and the article analyzed the change of ndvi of all kinds of vegetation types, in the same time analyzed the forest dynamics in typical ecotone ( warm temperate zone to semitropical in qinling woods ) using the higher spatial resolution tm data

    本論文利用1995 - 1996年noaa氣象衛星的ndvi ( 1km 1km )數據,採用無監督分類方法對中國東部樣帶南方部分進行植被類型的劃分,分析各植被類型的ndvi變化情況;並利用較高精度的tm數據分析典型交錯區域(暖溫帶到亞熱帶的秦嶺林區)的森林動態變化情況。
  2. According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse , this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter , average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation

    本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒譜范圍、霧錐形狀、流量、覆蓋面積及覆蓋面積率的試驗數據,對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究,得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化;平均粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小;粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多,為精噴量、低污染、高防效的防除作業奠定了實驗基礎。
  3. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性,建立了半經驗植被雷達後向散射模型; 2 ) .研究發現在農作物等矮小植被覆蓋地表,植被層直接後向散射與植被類型相關,且在植被生長期,雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ) .解決了單參數雷達地表土壤水分反演問題中,雷達入射角和地表粗糙度的影響這一難點問題; 4 ) .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ) .在以上成果基礎上,建立了完整的單參數雷達地表土壤水分變化探測反演演算法,經地表驗證,模型反演地表土壤水分變化值的精度為rmse = 0
  4. Many experiments on the effects with the change of several parameters, such as initial charging current, amplitude and frequency of positive pulses, variety of the amplitude of positive pulses among each charging stages, amplitude and duration of negative pulses, duration between positive and negative pulses, have been performed. the results of analysis and comparison of experimental data verify the validity and feasibility of the fast - charging method. on this basis, a new type of control strategy is advanced

    就充電過程中的起始充電電流、正脈沖的幅值、正脈沖的頻率、各充電級之間正脈沖幅值的變化幅度、負脈沖的幅值、負脈沖的持續時間、正負脈沖之間的停歇時間等幾個參數進行了大量的實驗,對實驗數據進行分析和比較,驗證了快速充電方法的有效性和可行性,在此基礎上提出了一種新型快速充電控制策略。
  5. Field, change the data constraint type to

    欄位中,將數據約束類型改為
  6. Based on the color aerial photo and the field survey data, this paper analyze the information of various land use type change and spatial characteristics in yanan ecological construction demonstration area from 2000 to 2003 by rs, gis and statistics methods

    摘要以航片等資料為基礎,藉助遙感影像解譯、地理信息系統空間分析功能以及數理統計方法,分析了延安生態建設示範區2000 - 2003年間各土地利用類型的數量變化和空間特徵,並且首次引入退耕指數、退耕彈性系數等指標對退耕還林工作進行評價。
  7. You can even use both media types simultaneously to allow high - volume shooting and storage, change media types according to the application, and copy data from one media type to the other for significantly enhanced data - management potential

    您亦可以同時使用這兩種媒體,以便大量拍攝並貯存影像,也可根據應用程式變更所使用的媒體,以及將資料從其中一種媒體復制到另一種媒體上,令資料管理更容易。
  8. The event gave us a good opportunity to discuss the processes of magnetic change, energy release and particle acceleration in the corona during the preflare, especially using decimetric and microwave fine structure data. in this thesis, we report the solar type iv bursts and its associated fiber fine structures recorded on 14 july 2000

    中國國家天文臺懷柔觀測站的寬帶頻譜射電望遠鏡,觀測到了來自內日冕區的射電爆發及其精細結構,攜帶著耀斑爆發初期磁場變化、能量釋放的豐富信息,很有必要對其進行深入的理論分析和計算。
  9. For example, you might change the data type of a column that contains only integer data to a numeric data type, such as dt i2

    例如,可以將只包含整型數據的列的數據類型更改為數值數據類型,例如dt _ i2 。
  10. Integration services can automatically suggests the most appropriate data types based on the first 100 rows of data. you can also change these suggestion options to sample more or less data, to specify the default data type for integer or boolean data, or to add spaces as padding to string columns

    Integration services將根據前100行數據自動建議數據類型,但您可以通過更改建議選項來增加和減少取樣數據,指定整數數據或布爾數據的默認數據類型,或添加作為填充量添加到字元串列中的空格。
  11. The bus is programable. at this rate the user can program the mcu firmware to configure the correlative registers before using the bus. the user can also change the bus channel in the gpmb when the data of different type is to be transfered. in conclusion, gpmb module provides the communication channel between usb2. 0 ip core and peripheral

    它提供32位可編程介面,用戶可以通過usb2 . 0ip核中的mcu固件對內部相關寄存器進行配置來使用這32位總線,並可以在內部的多總線通道中切換,以達成usb2 . 0ip核對外圍介面的控制及數據傳輸,進而完成設備通過usb2 . 0介面ip核與主機通信的功能。
  12. If you change a data type in the output service, it is a major change

    如果在輸出服務中改變數據類型,那可是個重大改變。
  13. In this study, we demonstrate a technique using the multi - temporal c band hh polarized radarsat scansar data to estimate the relative soil moisture change. the experiment data from sgp97 covered a whole range of vegetation growing season and different type agriculture fields

    研究證明,星載合成孔徑雷達( sar )得到的地表後向散射系數與地表介電常數有直接相關關系,從而能夠在水文模型要求的精度范圍內有效提取地表土壤水分信息。
  14. Once you ' ve created a chart, you can easily change the chart type and edit the data

    圖表創建完畢之後,還可以非常方便地更改圖表類型並編輯數據。
  15. For example, if you enter " abc " into a column with a float data type, you will receive an error and the change will not be committed to the database

    例如,如果您在具有float數據類型的列中輸入「 abc 」 ,您將收到錯誤,並且該更改不會被提交到數據庫。
  16. Data that is shared by multiple sessions and does not change often is the ideal type of data to insert into application - state variables

    由多個會話共享並且不經常更改的數據是插入到應用程序狀態變量的理想數據。
  17. This change in behavior affects only the data type of the computed column but not the computed value

    的列。這一行為更改隻影響計算列的數據類型,而不影響計算值。
  18. This change in behavior may cause data - type casting errors in your applications

    此行為更改可能導致在您的應用程序中出現數據類型轉換錯誤。
  19. You might want to change a column data type to a different type to match the data more closely

    您可能希望將一種列類型改為另一種列類型,以便進一步匹配數據。
  20. To change the current date and time to a character data type, and then uses convert

    此示例將包含空格、文本和標記的字元串轉換為類型化的xml :
分享友人