line of no variation 中文意思是什麼

line of no variation 解釋
零磁差線
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • of : OF ＝Old French 古法語。
  • no : adj 1 〈加在單數名詞前，相當于冠詞 a an 的否定形式〉（一個也）沒有。 Is there a book on the table...
  • variation : n 1 變化，變動。2 變量，變度，偏差。3 【語言】語尾變化；變體，異體；【數學】變分，協變；順列；【...
  1. There is no perspicuity verge between the west and the east of qinling mountains, so we have to draw a line to divide it into two parts. by analyzing the chang of observation spot " s precipitation in summer and in autumn on the same latitude, we can make a conclusion that 108 ewill be the line possibly. the paper was going on under the background of global chang by compairing the variation characteristics of norm annual air temperature and norm annual precipitation, and by compairing air temperature and precipitation over the season,

    秦嶺東部地區氣候變化總體趨勢為降水減少、氣溫遞增，其中近50年的時間里，氣溫共遞增0 . 185 ，同時降水減少75 . 35mm ，表現為暖干化特點，其暖化的特點表現在冬半年的暖冬尤其是冬季增溫強烈，干化則主要集中在夏季降水的銳減；而秦嶺西部地區則降水減少的同111氣溫下降，近50年來，氣溫共下降0
  2. Therefore, based on the key project ? esearch on some basic problems on quality control and source tracing in modern manufacture ? ( no. 59735120 ) sponsored by national natural science foundation, a deep research is made in this dissertation its branch subject ? the theory and technology of zero - waste control. the main work and achievements are as follows : 1. on the basis of the introduction of common quality control methods, some key problems about statistical quality control are elaborately discussed ; a method to decide the quality control line is developed ; a mathematical model based on the sampling plan of multi - variation of product quality is set up ; the process manufacturing condition of quality control chart is discriminated using the theory of fuzzy diagnosis

    為此，本文基於國家自然科學基金重點資助項目「現代製造質量控制、溯源若干基礎問題的研究」 （項目編號： 59375254 ） ，重點對其中的子課題? ?零廢品控制理論和技術進行了深入的研究。論文的主要工作和取得的成果如下： 1在介紹了常用質量控制方法的基礎上，對統計質量控制的幾個關鍵問題進行了詳盡的討論，提出了質量控制界限的確定方法，建立了基於產品質量多變異的抽樣方案的數學模型，利用模糊識別理論對質量控制圖工序加工狀況進行了判別。
  3. The key of the method is that it takes a changing distance of the transmission line as a constant horizontal distance between poles, and all of the influential factors come down to the variation of the parameters of transmission line. the algorithm and technique proposed is simple in form, easy in process, and need no more new hardware. it is of great value for the two - terminal or multi - terminal location of all kinds of transmission line

    本文提出的輸電線路參數在線估計演算法和技術的核心內容是取變化的線路長度為固定的桿塔間的水平距離，而把所有影響線路參數變化的因素當作一個整體，全部歸為參數的變化，這種線路參數在線估計演算法和技術具有演算法簡單、實現容易的優點，且不需要再增加新的硬體投入。
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