It is altogether an impossible task to perform.
这根本是不可能完成的任务。
This is quite a difficult task to perform efficiently.
这是一个很难有效完成的任务。
Each simple program has a specific and limited task to perform.
每个简单的程序都有一个特定且受限的任务需要完成。
For a few, there is one final but essential task to perform.
对一些人来说，这里只有一个重要的终极目标。
As a result, task-switching leads to time lost as the brain determines which task to perform.
所以，多任务转换直接导致了大脑浪费很多时间去决定回应那一个。
The subjects were hooked up to a machine which recorded brain activity and were then given a task to perform.
参与实验者被连接到一台可以记录大脑活动的机器上，接下来他们要完成特定任务。
With so few possible errors remaining in the process, the human task to perform quality assurance on the request can be replaced with a business rule.
由于大大减少了流程中存在的错误数量，对请求执行质量保证的人工任务现在可以被替代为某种业务规则。
While this should be simple task to perform, it is surprisingly difficult to achieve in the full context of possible failures and acceptable efficiency.
这个任务本身不难完成，只是要让它在各种可能的错误环境中依然能够行之有效就很困难了。
A tool is an object that used to perform a specific task.
工具是用于执行特定任务的对象。
Every web surfer, in the course of his or her browsing, has been forced to stop and perform this weird little task.
每一个互联网用户在浏览的过程中，都不得不停下来完成一个奇怪的小任务。
We can perform almost any office-based task from any location in the world as long as we have access to the internet.
只要我们能够访问互联网，我们几乎可以在世界上任何地方执行任何基于办公室的任务。
To perform this task automatically, use the script in Listing 5.
要自动执行此任务，则需要使用清单5中的脚本。
It allowed me to perform just about any counting task.
它允许我执行几乎任何计数任务。
The above suma command will return a suma task ID that might later be used to perform an immediate download of a schedule task.
上面的suma命令将返回一个suma任务ID，稍后在执行计划任务的立即下载时会使用到这个任务ID。
What wasn't expected, though, was that it didn't matter what task subjects were asked to perform - once primed to act, they attacked whatever task was placed in front of them with gusto.
没有料到的是，无论被研究者被要求履行什么样的任务，一旦他们被词语刺激到，他们就会饶有兴致地摆弄放在他们前方的任何东西。
The volunteers were asked to perform a task where they had to press a button every time they saw a particular image on a computer screen.
志愿者们被要求执行一项任务，每次看到电脑屏幕上的一个特定的图像，他们被要求去按一个按钮。
A new batch API for the human task manager enables you to perform operations on multiple items at the same time to improve performance.
一个用于人工任务管理器的新的批处理API允许您同时对多个项执行操作，以改进性能。
Listing 16 shows the code to perform this task.
清单16给出执行此任务的代码。
EJB container-managed transactions work even when multiple EJBs collaborate to perform a task.
即使多个EJB合作执行任务时，ejb容器管理事务也可以工作。
Listing 4 shows a snippet of code to perform the task.
清单4显示了执行此任务的代码片段。
The prototype USES a SAX parser mechanism 1 coupled with the builder pattern to perform this task.
原型使用SAX解析器机制1和构造器模式来执行该任务。
Resources represent the people, equipment, or material used to perform a task.
资源是指人、设备及执行任务所用的材料。
It's just as if it were a task he was compelled to perform — this interview — for fear his father should scold him.
那正像是他被迫来完成一个任务似的——这次见面——唯恐他父亲会骂他。
For example, your task is to perform some analysis on the salaries of a company's employees and work out the average salary.
例如，您的任务是对公司员工的工资执行一些分析，并计算出平均工资。
Then the volunteers were asked to perform a task in which they had to pick a few Numbers out of a stream of letters.
然后这些志愿者们被要求执行一个从一大串字母中挑出数字的任务。
As the body in a task allowed only a single set of steps to perform a task, the use case allows multiple alternate steps to perform the use case.
由于任务中的主体只允许一组步骤执行任务，所以用例允许多个备选步骤执行用例。
We need not log in as root to perform this task.
我们不必以root用户身份登录来执行该任务。
Type the following commands to perform this task
输入以下命令来执行该任务
The default implementation of the LogonCmd interface uses several WebSphere Commerce task commands to perform the authentication.
LogonCmd接口的默认实现将使用几个WebSphereCommerce任务命令来执行认证。
You create a Gearman Client object, specify the servers, and call the task that you want to perform.
您创建一个GearmanClient对象，指定服务器，调用您想要执行的任务。
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