optional string 中文意思是什麼
optional string
解釋
任選串-
An optional string to append to the end of the caption
追加到標題末尾的可選字元串。 -
This is an optional attribute and defaults to an empty string
這是可選屬性,默認值為空字元( " ) 。 -
Gets or sets the optional additional - command line arguments string to use when invoking the compiler
獲取或設置調用編譯器時使用的可選附加命令行參數字元串。 -
It brought forward genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms " characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion
針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題,在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上,提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法。 -
This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsymmetrical mutation based on researching widely the genetic algorithms ' characteristics of varied coding modes, selection modes, crossover modes and mutation modes in allusion to genetic algorithms is difficult of multi - parameter coding and genetic operation ' s realization for wave impedances inversion
摘要針對遺傳演算法用於波阻抗反演涉及多參數編碼、以及對應遺傳操作不易實現的問題,在廣泛研究了遺傳演算法的各種編碼方式、及其對應的選擇方式、交叉方式以及變異方式特點的基礎上,提出了採用二進制字元串編碼、遺傳操作為最優保存策略選擇、多點交叉和非均勻變異的遺傳演算法,基於該演算法形成了全局尋優的波阻抗混合反演方法。 -
Optional arguments for formatting the loaded string
用於設置加載的字元串的格式的可選參數。 -
An optional comment describing the string resource
描述字元串資源的可選注釋。 -
String. substr n, length, pad, string. subword. . extracts a substring of characters or words string at n for length with optional padding
從字元串的位置n開始提取指定長度的字元或單詞子串,並用可選的填充字元填充 -
Specifies an optional string containing custom information that is passed to the profile provider
指定一個包含自定義信息的可選字元串,該字元串將被傳遞給配置文件提供程序。
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