未定义一词有多种含意,其确切的含义是取决于上下文的。
adj. Undefined
misc. TBD (to be defined)
另外,我们可以在函数体里检查未定义(undefined)的输入。 比如,假设我们想收到一个空值和一个非空值参数的 perl_max 返回非空值的参数,而不是空值: CREATE FUNCTION perl_max...
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栈未定义 nostack ; norton norton nostack
未定义的 [计] undefined
未定义变量 undefined ; undefined variable
未定义符号 undeclared symbol ; [计] undefined symbol
未定义指令 [计] Undefined Instruction ; UD ; UDEF ; Undef
未定义模式 UND ; Undefined mode ; Undef
未定义记录 undefined record
调用未定义的函数 Call of non-function
未定义区域 Undefined Areas
另外,每个端口的地址均未定义。
Also notice that the address for each of the ports is not defined.
未定义的引用,上次我们是怎么解决的呢?
占位符链接就是与开始时未定义目标的链接。
A placeholder link is a link with an initially undefined target.
So it's not defined. But in fact, what this did was it threw an exception.
这是未定义,但实际上,这里做的就是抛出一个异常。
Undefined reference, what was the solution last time?
未定义的引用,上次我们是怎么解决的呢?
And what I want to point out that we just figured out for molecular orbital theory, is that o 2 is a biradical, because remember, the definition of a radical is when we have an unpaired electron.
我要指出的是,我们刚利用分子轨道理论,指导了O2是二价自由基,因为记住,自由基的定义是,有个未配对的电子。
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