qualitative variation 中文意思是什麼

qualitative variation 解釋
質量變異
  • qualitative : adj. 1. 質的，質量上的。2. 性質上的。3. 【化學】定性的，定質的 （opp. quantitative）。adv. -ly 1. 性質上；質量上。2. 用定性方法。
  • 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. Applying qualitative and quantitative research methods, the paper has analyzed the main similarities and differences between the final systems of bai dialect and ping dialect spoken in nanning, and explained the reasons from the historical, regional, systematic and reading - variation perspectives

    摘要運用定性和定量相結合的研究方法，分析、歸納南寧白話與南寧平話韻母系統之間的主要異同點，並從方音比較研究的歷史觀、地域觀、系統觀、異讀觀出發，對南寧白話與南寧平話韻母系統之間的主要異同點作出因果性的解釋。
  2. Abstract : the physical significances of the reaching law parameters and the qualitative relationships among them in variable structure control ( vsc ) are analyzed. according to the relationships, a reaching law control method is put forward based on fuzzy rules. to improve control quality, the reaching law parameters are selected by fuzzy rules. the control scheme presented in this paper not only preserves the advantages of traditional reaching law control, that is, insensitivity to any variation and perturbation of the plant parameters, but also possesses the adaptation to control quality of variable structure control systems. the simulation results show the chattering in vsc systems is highly reduced

    文摘:分析了變結構控制設計方法中趨近律參數的物理意義及參數之間的定性關系，根據這些參數的定性和不精確關系，提出了基於模糊規則的趨近律控制? ?模糊趨近律控制，即用模糊規則來選擇趨近律的參數，以達到改善品質控制的目的.模擬結果表明，筆者給出的方法既保留了傳統趨近律方法所具有的較強魯棒性優點，又使控制系統的品質控制具有較強的自適應性，同時還比傳統趨近律方法更有效地削弱變結構控制系統中固有的顫振
  3. Discontinuous variation ( qualitative variation ; qualitative inheritance ) a form of variation in which a character has two or more distinct forms in a population

    不連續變異：在種群中存在兩個或多個完全不同性狀的一類變異方式。
  4. First, the direction of fringe variation in the interference images is different with different intake duct, but in the same intake duct, the direction is the same. second, different intake duct has different rules to flow variation. third, the infinite width of interference fringe is visual, high precision, and easy to qualitative analysis, but the finite width of interference fringe is easy to judge the direction of fringe variation and to further detailed analysis

    實驗結果表明，氣道不同，條紋的變化方向不同，但同一氣道在不同的流量下，條紋的變化方向是一致的；不同形狀的氣道對流量的敏感程度不同，對氣體旋流的擴散作用影響也有很大的差異；用無限寬條紋法得到的圖像直觀，靈敏度大，易於做定性的分析對比，而有限寬條紋法可以進行流體在運動方向的判別，更有利於詳細的分析研究。
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