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	friend of dorothy friend of mine friend of ours friend of the court friend of the court friend or foe friend or foe identification friend request friends friends and family Friendsgiving friendship friendship friendship and family friendship bench friendship bracelet friendship bracelet friendship cake Friendship Force friendship group friendship hospital Friendship Hotel Friendship International Airport friendship invitational tournament friendship love

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。