They hold only one piece of data: a string, a number, the undefined value, a reference to another variable.

The results are undefined if there are not enough arguments for the format specifications.

如果没有足够的参数的格式规范的结果是不确定的。

Chronic abdominal pain presents a rather long history with undefined quality.

慢性腹痛病史较长，性质不定。

Undefined Test Results Assessment on 28 days Compression Strength

28d抗压强度检测结果的不确定度评定

The Second is undefined credit property right.

第二，保险中介信用产权界定不明。

It also allows the user to display any undefined values in the application.

它还让用户可以显示应用程序中任意未定义的值。

An Analysis of "Undefined" Code in Programming Language C

对C语言中无定义代码的剖析

Objective To study the clinical features of undefined hepatitis.

目的探讨病原未定型肝炎的临床特征。

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？

Dadbod （ dad+ body ） is used to refer to a male physique characterized by a slight flabbiness, undefined musculature, and a noticeable beer belly. It can also refer to a man who has such a physique.

“老爸身材”用来形容那种肌肉有点松弛、没型、啤酒肚明显的身材，也可指代拥有这种身材的男人。

As we shall not deal with algorithmic problems, we leave the term "efficient" undefined.

因为不讨论算法问题，我们对“有效”这一术语不作具体解释。

The result shows that the model is fit to control undefined and complicated process.

冷却控制结果表明，这种具有自适应能力的温降模型是一种可用于控制不确定的复杂过程的理想模型。

Optimal solution of programming problem under undefined case

不确定情形下规划问题的最优解

Property right is a concept with very undefined connotation.

产权是一个内涵非常不确定的概念。

Research of XML Encryption Based on Undefined Algorithm

自定义密码算法的XML加密实现研究

The expression contains undefined function call { 0}().

表达式包含未定义的函数调用{0}（）。

The application name for one of the rules is undefined.

规则中的程序名没有定义。

Return value of function '% s' might be undefined

函数'%s'的返回值可能没有定义

Nasdaq buys 15 % stake in London Stock Exchange.

纳斯达克购得伦敦证交所15%股份.

In the past year its share price has underperformed the NASDAQ.

去年,公司的股价在纳斯达克表现糟糕.

Clearly, NASDAQ also has an eye on its own doorstep.

毫无疑问, 纳斯达克也时刻注视着自家门口的事儿.