英语词汇no-valid reference怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	no-valid reference
释义	no-valid reference 简明释义无效引用网络释义短语 1 no valid reference 无效引用双语例句 1 When you use a type parameter for an optional parameter, you must guarantee that it is of a reference type to avoid the possibility of a value type with no valid default value. 在为可选参数使用类型参数时，必须保证它采用引用类型，以避免值类型没有有效默认值的可能性。
随便看	postoffice address list post - office box post office box post-office box post office boxes post office boxes Post Office bridge post-office car post office cash on delivery post office collections post office compartment post office compensation post office counter clerk Post Office Department post office headquarters post-office inspectors post office network list postoffice network list post-office order post office order post office position indicator post office problem post office protocol post office protocol 3 post office protocol, POP

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。