To generate user errors from procedures, you can use the SQLERROR variable to return an actual error string that caused the statement to fail to the calling application, as shown in Listing 16.
要从过程生成用户错误，可以使用SQLERROR变量检索一个实际的错误字符串，该错误字符串使语句无法作用于调用应用程序，如清单16所示。
This construct is used to return to the calling application the actual error that caused the statement to fail, as shown in Listing 17.
该结构用于将实际的错误返回给调用应用程序，这个错误致使语句执行失败，如清单17所示。
It can become hard to find the actual program logic in all that error recovery code.
在大量错误复原代码中，很难发现实际的程序逻辑。
If you have a nested build, you might need to thread up through a bunch of error messages to find the actual error.
如果有一个嵌套的编译，可能会需要通过对一组错误消息来仔细进行分析，才能找到确切的错误。
Lastly, a parsing error occurs if you try to use a tag that isn't an actual FBML tag.
最后，剖析错误会产生在使用一个实际不是FBML标签的标签。
The actual printing of the error to the screen is left up to the caller, in this case libxml_display_errors .
将错误实际打印到屏幕则留给调用程序负责，在本例中，调用程序就是libxml_display_errors 。
It's a safe bet that in a script this small, the error may be in the actual if statement.
对于这个小脚本，可以很有把握地猜测错误可能出现在实际的if语句中。
The actual error that occurred appears on the server console and in the log.nsf file, but unfortunately, the fault that is returned to the user is extremely generic and not very useful.
所发生的实际错误出现在服务器控制台和log. nsf文件中，但遗憾的是，返回给用户的故障非常一般化，不是非常有用。
As an alternative, you can catch this exception directly in your code and handle it some other way (perhaps printing out the actual error message along with usage information, for instance).
一个替代的方法是，您也可以在代码中直接捕捉这个异常，并且用其他方式处理异常(例如，可能会与使用信息一起输出真正的错误消息)。
Whenever the actual code encounters any type of error, it throws an exception, which then goes to the call stack.
每当实际代码碰到任何类型的错误，它就抛出一个异常，然后该异常就进入调用栈。
So in theory this survey is picking up, with a wide range of statistical sampling error, the number of people who work as reporters and correspondents, whether or not that is their actual title.
因此，从理论上来说，此次调查虽然伴随着大量的统计样本错误，但是仍在挑选出职业为报道员和记者的人数，无论这是否是他们真正的头衔。
The actual error rate is 10 times greater than previously thought, despite a recent focus on reducing error rates and improving patient safety, a new study suggests.
实际发生的医疗差错数量是从前估计的10倍，尽管最近有研究报告，建议医院重视减少错误率，提高病人安全。
The actual tests would employ the well-honed methods of operant conditioning, developed initially on pigeons, in which the test subject has first to work out what is going on by trial and error.
实际的测试会采用精确的操作性条件反射方法，测试对象首先要清楚实验的过程和错误。
In fact, you should try to avoid using the word "error" anywhere in your alert text and instead focus on describing the actual situation.
事实上，你应该在警告窗口文档的任何地方避免使用“错误”这个词，而是侧重于描述实际的状况。
By these means can reduce the part of the error, making the models built more in line with the actual situation.
通过这些手段可以减小部分误差，使得所建的模型更符合实际情况。
After comparing the detecting result and the actual height of metal parts it showed that the detecting error was in the nature figuration error range of one welding seam.
经与实验获得的实际金属结构高度数据对比，得到金属结构高度检测的误差在单道焊缝的自然成形的高度误差范围内的结果。
The effect of the modelling error on the micro-dynamic robust stability of an optimal excitation regulator is calculated according to the actual conditions in a transmission system.
然后结合输电系统的实际情况分析计算了降阶模型误差对最优励磁控制的微动态稳定鲁棒性的影响。
In general, error messages indicate where the problem was discovered, but the actual error might be earlier in the code, sometimes on a previous line.
一般情况下，错误信息都会表示出发现问题的位置，但具体的错误可能是在此位置之前的代码引起的，有的时候甚至是前一行。
By synthesizing twice MTD results, actual velocity of the target is gained. Relation between pulse duty ratio and velocity measurement error is deduced.
综合两次MTD结果得到了目标的实际速度，并推导出了脉冲占空比和速度测量误差的关系式。
Because of many reasons in the course of straightness error measuring, many original observed data deviate from actual value and are difficult to process.
由于在直线度误差测量过程中的各种原因，导致许多观测数据与实际值偏离或者很难进行处理。
The error between the actual position and the theoretic position will be gotten and feed back the control computer.
将重心的实际位置与理论位置相减，得到偏差量，将此偏差量消除系统误差，传给望远镜控制系统。
Otherwise there will be a large error between the value calculated by Stokes formula and the actual value under the condition of bigger sand grain and lower fluid viscosity.
当砂粒较大、液体粘度较小时，用斯托克斯公式得出的计算值与实际值相差很大。
Matrix step is low by using the finite element transfer matrix method. Natural frequency by calculation approaches to actual natural frequency and the error is allowable.
用有限元传递矩阵法分析火炮身管固有振动特性，矩阵阶次低，计算所得的固有频率与实际固有频率接近，误差在允许的范围内。
Constraint equations were constructed by using distance error model, and the actual geometric parameters of the robot were solved, and then these parameters were used in the modified kinematics model.
利用距离误差模型构造出机器人本体的约束方程，并求解出机器人的实际几何参数，进而将该参数应用于修正系统的运动学模型。
The simulation results show that we can complete circuit experiment commendably in an simulation circuit lab, and the error is least comparing with the actual circuit experiment.
仿真结果表明，虚拟电路实验室可以很好的完成电路实验，而且与实际电路实验的误差很小。
Simulation result shows that the presented method reduces the error of actual filter, improves the accuracy and can amend filter's parameters on-line.
仿真结果表明，两种方法结合，可以有效地防止滤波器发散，缩小实际的滤波误差，提高滤波精度，实现滤波器参数的在线改进。
The work of the paper is composed of the systematic design, mounting, adjustment, service manual, test run, actual test, error analysis, etc of the test apparatus.
本论文的工作包括上述试验台的系统设计、安装、调试、操作保养规程的制订、试运转以及现场的实际检测和误差分析等内容。
It includes system design, manufacture of key parts (absorbing target and reflecting target), actual measurement and error analysis of the whole system.
主要包括系统设计、关键部分(吸收靶、反射靶)的设计制作、实际测量以及整体的误差分析。
Then the output of the network was compared with the actual value, and the relative error was less than 0.08%.
结果表明，网络输出值与实际值相比较的相对误差在0.08%以内。
Because the manufacturing error and installing error exist in the actual six DOF platform, there is divergence between each joint point's actual coordinates and its theoretic values.
实际的六自由度转台存在着制造和安装误差，转台各个铰点的实际坐标与理论值之间会有偏差。
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