optional character 中文意思是什麼
optional character
解釋
或表之後的可選字元-
And production fashion is selected optional for assurance of the material character of hpch. the hpch material, in which the compound technique route of polybasic components is applied, has better properties such as high workability, high durability, low ion transference rate and so on
採用多組份復合技術路線配製出高工作性、高耐久性、低離子遷移率的hpch材料，對其宏觀物理力學性能、耐久性能和微觀結構進行了分析研究。 -
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。 -
Elaborate character wound / death scheme upon knockout - - wounds that heal with time, permanent death ( optional ), talismans. character score display for when you perish in battle
詳盡的角色死亡，暈迷系統-暈迷需要時間治療，永遠死亡（選擇性） ，護身符系統.角色分數會在你戰斗死去時顯示 -
If forgetfulness, xenophobia and a whole host of the other eccentricities that make up a person ' s character become optional traits rather than inevitable ones, people will be more inclined to discriminate against the bearers of those traits
如果健忘的話，仇外和一系列怪癖，造就了可選擇的而不是必然的某個人的性格特質， ，人們將更傾向于歧視具有那些特質的人。 -
Compared with pccr, the style of handwritten chinese character is diverse and optional which is hard to find rules in it. furthermore recognition of similar character in off - line hccr is much more difficult than that in pccr because of the ubiquity of handwritten distortion
與印刷體漢字識別相比，脫機手寫體漢字識別具有書寫風格眾多、隨意性較大、幾乎無規律可循、復雜漢字難以識別等特點，並且由於手寫變形的問題普遍存在，所以手寫體漢字中相似字的區分比印刷體要困難得多。 -
On a typewriter, relative movement between the paper carrier and the typing position over an optional number of character spaces or line spaces without regard to preselected stops
在打字機上，輸紙裝置與打字位置之間的相對移動，它越過一個可選數量的字元位置或行位置，而不管預先選擇的停止位置。 -
According to the optional character of the technology innovative projects " investment, the thesis has investigated the choice and decision - making of these projects systemically with the real option theory. the main points of this thesis are as follows : firstly, it compares the similarity between real option of the technology innovative projects and option based on the summary of option pricing theory and systems analysis of these projects and their characters, which can be made as the theory and evidence of the real option approach to value these projects. secondly, based on the synthesized analysis of these projects " option, it sets up three models to value the different real option respectively in these projects such as the delaying option, growing option and multiple option
論文的主要工作有： 1 ）在概述期權定價法和系統分析技術創新項目及其實施過程特點的基礎上，比較了技術創新項目投資與金融期權投資的相似性，作為技術創新項目投資的實物期權評價法的理論與依據； 2 ）在綜合分析技術創新項目投資所具有期權的基礎上，分別建立了技術創新項目投資的延遲期權、增長期權和復合期權模型，並進行了相應的實證研究和比較研究； 3 ）對pindyck的期權定價模型進行了推廣和改進，利用模型探討了投資時機的選擇性及其對投資機會價值和投資決策的影響，並在此基礎上確定最優投資規則，為技術創新項目投資決策提供參考； 4 ）針對定量模型難以規避技術創新項目中組織風險的特點，進一步將定量模型和定性研究方法相結合，對技術創新項目投資評價的實物期權模型進行了改進，使得評價模型更合理。 -
However, many html pages do not include this optional character set attribute in their markup
不過，很多html頁的標記中不包含這種可選的字符集屬性。 -
If an instance allows optional characters, unicode code points are encoded with a corresponding optional character instead of a modified base 64 character
如果實例允許使用可選字元，則使用相應的可選字元而不是經過修改的base 64字元對unicode碼位進行編碼。 -
Each editable mask position, representing a required or optional input, is shown with a single prompt character
表示一個必需或可選輸入的每個可編輯掩碼位置都顯示為單個提示字元。 -
The paper introduces the technique of the recommendation on the basic frame, encoder and decoder ' s main technique and regulation, the syntax and semantics of the bitstream, optional coding algorithm, and etc. in the forth part of the paper, aimed the time - costest and most important technique - discrete cosine transform ( dct ) and motion estimate algorithms, paper analyses the classical and practical algorithms and introduce the theory. then paper sum up all the algorithms character, give out the ameliorated algorithm, and simulate with the c language on the computer. these two algorithm, can be realized using hardware and can be used into the real videophone ' s video module
論文的第四部分，針對可視電話中最耗費計算時間，也是其中最關鍵的技術? ?離散餘弦變換（ dct ）和運動估計演算法進行的仔細的研究，分析了當前出現的經典的實用演算法，並對其原理進行了研究和介紹，並總結各種演算法的特點和原理，各自提出了其的改進演算法，給出了其原理介紹和實現方法，並在計算機上使用c語言進行了模擬試驗，並達到了較為滿意的效果，這兩種演算法，完全可以通過硬體得以實現並能應用到實際的可視電話的視頻模塊壓縮演算法中去。 -
Numeric data type can include optional exponential notation a lowercase e or uppercase e followed by an optional plus or minus sign and then a number. character expressions that are being converted to an exact
數據類型的字元表達式包含可選的指數符號[一個大寫或小寫的字母e後跟可選的加號（ + ）或減號（ - ） ，然後再跟一個數字] 。 -
Is a mime media type possibly accompanied by optional information about the character set of the document
，是一種mime媒體類型（可能還包括可選的文檔字符集信息） 。
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