variables search 中文意思是什麼
variables search
解釋
變數搜尋-
The overall effects of two typical web page visual design modes ( rich and plain ) and two language systems ( chinese and english ) on world wide web user visual search performances in 3 variables ( searching time, errors and satisfaction ) were studied
摘要考察兩種典型網頁視覺設計形式（豐富與簡練）及兩種語言系統（中文與英語）對用戶視覺搜索能力在搜索時間、錯誤及滿意度三個變量上的綜合性影響。 -
The results indicate that the demographic characteristics of main food purchasers are female, middle - aged and above, married, belonging to a household of three people, with a monthly income of 1001 to 2500 yuan and received senior school education, and there are distinct differences in market segments of different age, marital status, household size, education and purchase place variables, and that the purchasers search sufficient interior information and limited exterior information in the process of decision - making and the marketplace is decided before the products
結果顯示：第一，主要鮮活農產品購買者群體按不同的統計特徵可以描述為女性、已婚、中老年、三口之家、家庭月收入水平在1001 2500元之間、高中技校中專學歷；第二，不同年齡、婚姻狀況、家庭結構、學歷、購買場所的鮮活農產品購買者群體之間在農產品購買時間的選擇上均有不同程度的顯著性差異。 -
Secondly, by making use of the characteristics of ergodicity and randomness of chaotic variables, the local search is performed by chaotic search in the neighborhoods of high affinity antibodies, and the chaotic search is carried out in the whole solution space to avoid sticking at local optima
然後，利用混沌變量的遍歷性和隨機性特點，通過在高親和力抗體的鄰域內進行混沌搜索以實現局部尋優，通過在整個解空間內的混沌搜索來避免陷入局部最優解。 -
A two - stage hybrid scheme is proposedbased on the criteria that decreasing mode nuinber reasonably and different attention shouldbe given to different class control variables, i. e., at the begirming stage, a larger granu1arity isused to make ga searching the area contaning optimal sollltion with less generation. thehybrid scheme of binary and integer code distinguished by voltage level is of clear levelconception thus can search the high voltage control variables more carefully. crossover andmutation of ga are also refined on the basis of above scheme
並從合理減少模式數以及對不同變量給予不同程度關注的原則出發，提出了兩階段分層混合編碼方案：在遺傳演算法的開始階段，用較粗的粒度編碼，使遺傳演算法能夠用較少的迭代次數快速搜索到最優解所在的區域；按電壓等級分層的二進制和十進制混合編碼，具有清晰的層次概念，對那些影響較大的高壓網控制變量能夠有針對性地以更高的精度進行搜索。 -
Methods for optimization design of discrete variables are summarized. the tabu search algorithm and its application to the optimization design of discrete variables are presented and explained by an example
摘要概述了離散變量優化方法，介紹了禁忌搜索演算法及其在離散優化設計中的應用，並用實例說明之。 -
The ability to search the neighbor - area of the best solution of half - determined ga is improved with three new strategies : half determined hamming - decreasing, low bit determined mutation and self - adaptive scaling of design variables
後者利用半確定性的變異操作， hamming - decreasor ，設計變量的自適應定標這三項措施對當前最優個體的鄰近區域的集中搜索來提高演算法的局部搜索能力。 -
Note that some error strings include variables, so you may need to search on a partial string
請注意，某些錯誤字元串包含變量，所以，您可能需要根據部分字元串進行搜索。 -
In upper level optimization, the thickness and geometry factors of composite skins and webs as well as other structural dimensions are taken as design variables. then, considering the behavior constraints and the side constraints, the structural mass is minimized by the mathematical programming technique. in lower level optimization, the mathematical programming technique or the genetic algorithm ( ga ) is used to search the practical stacking sequence of composite skins and webs to realize the given thickness and geometry factors from upper level optimization
底層優化設西北工業大學博士學位論文計以復合材料蒙皮和腹板等層合板各分層的厚度（或鋪層數） 、鋪層角和鋪層順序為設計變量，以層合板的幾何因子與頂層優化設計給出的最優幾何因子之間的誤差最小為目標，考慮層合板厚度和製造工藝性約束，採用數學規劃方法或遺傳演算法（ geneticalgorithm ，簡稱ga ）求出底層最優設計變量。 -
A non - linear feed - forward loop is used to realize the coordinated control between the two controlled variables at the two control ends at first. secondly, a constant ac voltage control is implemented for a short period after the ac fault removal. finally, a staggered recovery strategy for different hvdc subsystems is also adopted, with the restart time interval of them optimized using the steepest descent gradient search method
該協調恢復策略的三個特點是：在常規的控制器結構中加入一個基於準穩態工作點的非線性前饋迴路；在交流故障被切除后的一個短暫時間內，逆變側採用定交流電壓控制：對不同的直流輸電子系統採取一種漸進的恢復策略。 -
4 effects of the mental health on the academic performance 4. 1 multiple step - wise regression analysis ( msra ) 4. 1. 1 effects of variables on the score of single subject we used msra to search for the determinants of the score of mathematics
影響因素對單科成績的作用影響數學成績的主要因素是平時學習時間（ beta 0 27 ） 、內外傾向性（ beta 023 ）和性別（ beta 0 zi人回歸決定系數r乙9 -
To solve his problem, we propose three kinds of diagnostic procedures. the first one is binary depth search technique, which divides the total variables into two partial variables and remove correlation of one partial variable to the other by residual analysis, then use residual vector to construct hotelling t2 statistic and to seek which partial variables are out of control. once out - of - control partial variables are determined, we utilize binary depth search on these variables further until variables being out of control are identified
為了解決這一問題，我們採用了以下幾種方法: （ 1 ）提出了二分搜索法並進行了模擬分析，即把整個變量分成兩個部分，通過殘差消除一部分變量對另一部分變量的影響，然後再利用殘差向量建立hotelling統計量，這樣可以區分哪些部分變量失控，確定部分失控變量之後，再利用二分法直到某一步，最終找到某個/某些失控變量。 -
For the algorithm, the control variables are discretized firstly and the standard particle swarm optimization algorithm is used to search for the best solution of the discretized control variables
對于該演算法，首先將控制變量離散化，用標準粒子群優化演算法搜索離散控制變量的最優解。 -
In ga, which uses multiple - point search instead of single - point search and works with the coded structure of variables instead of the variables themselves, the only information required for searching its solution is the objective function and it makes the method simple and powerful in solving the mixed - integer nonlinear optimization problems
遺傳演算法的基本原則是適者生存。它採用多路徑而非單路徑搜索，在解的編碼上進行遺傳操作而非直接對解本身，從而只需要目標函數就能進行問題求解，使得它在混合整數非線性優化問題的求解上顯得簡單而強大。
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