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optional character中文是什么意思

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用"optional character"造句"optional character"怎么读"optional character" in a sentence

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  • 或表之后的可选字符

例句与用法

  • A parameter specifies whether to allow optional characters
    一个参数指定是否允许可选字符。
  • This constructor creates an instance that does not allow optional characters
    此构造函数创建一个不允许使用可选字符的实例。
  • However , many html pages do not include this optional character set attribute in their markup
    不过,很多html页的标记中不包含这种可选的字符集属性。
  • If an instance allows optional characters , unicode code points are encoded with a corresponding optional character instead of a modified base 64 character
    如果实例允许使用可选字符,则使用相应的可选字符而不是经过修改的base 64字符对unicode码位进行编码。
  • If users do not want to enter the optional characters , they can either enter spaces or place the mouse pointer directly at the position in the mask represented by the first 0
    如果用户不想输入可选字符,他们可以输入空格或将鼠标指针直接放在掩码中第一个0表示的位置。
  • Is very flexible , allowing you to specify required characters , optional characters , literal characters such as hyphens and parentheses , currency characters , and date separators
    使用的掩蔽语言非常灵活,它使您可以指定需要的字符、可选字符、文字字符(如连字符和圆括号) 、货币字符和日期分隔符。
  • 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
    论文的主要工作有: 1 )在概述期权定价法和系统分析技术创新项目及其实施过程特点的基础上,比较了技术创新项目投资与金融期权投资的相似性,作为技术创新项目投资的实物期权评价法的理论与依据; 2 )在综合分析技术创新项目投资所具有期权的基础上,分别建立了技术创新项目投资的延迟期权、增长期权和复合期权模型,并进行了相应的实证研究和比较研究; 3 )对pindyck的期权定价模型进行了推广和改进,利用模型探讨了投资时机的选择性及其对投资机会价值和投资决策的影响,并在此基础上确定最优投资规则,为技术创新项目投资决策提供参考; 4 )针对定量模型难以规避技术创新项目中组织风险的特点,进一步将定量模型和定性研究方法相结合,对技术创新项目投资评价的实物期权模型进行了改进,使得评价模型更合理。
用"optional character"造句  
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