如果违反了您在触发器中定义的业务规则，就可以使用signal语句来抛出一个错误条件信号。
You can use a SIGNAL statement to raise an error condition if the business rule defined in your trigger is violated.
消息可以是简单的信号、复杂的节点信息组合或者条件数据。
Messages can be simple signals, complex combinations of node information, or conditional data.
并且该系统会不间断的监视伤者的身体条件，任何的变化，比如心跳的急剧加速，那么系统将会给出警报信号——当前的动作应该被取消。
It would also constantly monitor the person's condition and any change - a dramatic rise in heart rate for example - would signal an alert that action needed to be taken.
在信号中也会发生竞争条件。
但尽管足够的相处时间，相互的谅解和沟通对创造一段幸福婚姻至关重要，如果这些条件没能被满足，这通常将是一个来自更深层次问题的信号。
But while quality time, forgiveness and communication are vitally important to creating a happy marriage, if such things aren't happening, it's usually a sign of a much deeper problem.
对于树中的每个节点，都定义了一个超级链接，如果用户单击该链接，就会向Discovery发送应用一个元数据条件的信号。
For each node in the tree, define a hyperlink that, if clicked on by the user, signals to the Discovery to apply a metadata condition.
通过这种方式，他们确定了两个事件相关电位(ERPs)，或是电生理信号，它们与不想条件相联系。
In this way, they identified two event-related potentials (ERPs), or electrophysiological signatures, which were associated with the no-think conditions.
在有些实现中，线程可能偶尔在没有信号送到条件变量的情况下醒过来。
In some implementations, threads may occasionally wake up without a signal sent to their condition variable.
线程模块提供了许多同步原语，包括信号量、条件变量、事件和锁。
The threading module does provide many synchronization primatives, including semaphores, condition variables, events, and locks.
注意，条件函数并不是异步信号安全的，因此不能在信号处理函数中调用。
Note that condition functions are not asynchronously signal-safe and should not be called from a signal handler.
它预测，最佳的时机，莫过于作为信号的条件刺激，出现在需要你做准备的，非条件刺激之前。
It predicts that the best timing is when the conditioned stimulus, which is the signal, comes before the unconditioned stimulus, which is what you have to prepare for.
他运用了一些心理学试验，这些试验显示，研究对象对一定梯度的条件性危险信号和条件性安全信号的反应。
He USES psychological tests to reveal the subjects' responses to conditioned danger cues and conditioned safety cues arrayed on a gradient.
同时，研究者和患者期待着这一条件下的改善信号。
At the same time both the researchers and the patients will be looking for signs of improvement in the condition.
配套的实用程序pkill接受pgrep的所有选项和一个信号，它把这个信号发送给与给定的条件匹配的所有进程。
A companion utility, pkill, takes all the options of pgrep and accepts a signal to send to all processes that match the given criteria.
控制条件主要指断流设施，在那里停车避让标志和交通信号控制等能力有重大影响。
Control conditions refer primarily to interrupted flow facilities, where such controls as STOP and YIELD signs and traffic signals have a significant impact on capacity.
在无系统误差的条件下亦可同时得到最强信号的方位信息。
The direction information of the strongest signals can be gained system errors.
调节器必须在没有输入信号的空闲条件下进行。
Adjustments have to be done at an idling condition with no signal input.
透过强化计划，一个(条件化的)线索或信号能引发一特定的动作。
A conditioned signal or cue that is initially paired with, then has the property of eliciting, a specific behavior through a reinforcement schedule.
转换过程和数据采集过程通过CS和串行时钟信号进行控制，从而为器件与微处理器或DSP轻松接口创造了条件。
The conversion process and data acquisition are controlled using CS and the serial clock signal, allowing the device to easily interface with microprocessors or DSPs.
射电望远镜较常规望远镜有一显著优点。射电望远镜在各种气候条件下都能工作并能接收来自遥远的星球的信号。
Radio telescopes have a big advantage over conventional telescopes in that they can operate in all weather conditions and can pick up signals coming from very distant stars.
为了达到那个目的，线程模块提供了许多同步化的原生支持，包括：锁，事件，条件变量和信号灯。
To that end, the threading module provides a number of synchronization primitives including locks, events, condition variables, and semaphores.
也许一部分原因是受伤太重，头脑中条件反射出虚弱的信号。
That's probably the part that hurts the most, that we showed a sign of weakness mentally.
理论分析和仿真实验证明，在负信噪比条件下该方法可有效提高对DS-SS信号载波的检测能力。
Then we detect and estimate the carrier frequency of negative SNR DS-SS Signal have done. Theoretic analysis and simulation prove the validity of the arithmetic.
该文分析了非线性混叠信号的可分离性及分离条件，指出现阶段非线性混叠信号盲分离的局限性。
The separability and separating conditions for mixed signals are analyzed in this paper. The limitation of nonlinear blind source separation methods is proposed.
在故障发生之前，保证滑模的存在，并以此为条件，通过检测残差信号是否在规定的滑动区内，从而判定是否发生故障。
Before the occurrence of fault, ensures the being of sliding mode, and takes this as condition, by detecting if the residual signal is in the regulation sliding area, estimates whether fault occur.
最后，如果没有外部输入信号，系统的行为完全由自己的初始条件确定，该系统就称为齐次或非强迫系统。
Finally, if there are no external inputs and the system behavior is determined entirely by its initial conditions, the system is said to be homogeneous or unforced.
在信息不对称市场条件下，广告是市场信号显示最重要内容之一。
On the condition of information asymmetry, advertisement is one of important contents of signal indication.
将提取的暂态零序电流故障特征作为条件属性，信号增强倍数作为决策属性，构成一个决策系统。
The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.
由于天气条件极为有利，信号极为清晰，金星科学家们从而获得了有关载人飞碟能否在地球上着陆的宝贵资料。
Because eof excellent weather conditions and extremely strong signals, Venusian scientists were able to get valuable information as to the feasibility of a manned flying saucer landing on Earth.
由于天气条件极为有利，信号极为清晰，金星科学家们从而获得了有关载人飞碟能否在地球上着陆的宝贵资料。
Because eof excellent weather conditions and extremely strong signals, Venusian scientists were able to get valuable information as to the feasibility of a manned flying saucer landing on Earth.
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