The function implements a preemptive look-ahead mechanism for streamed operations.
这个函数为流操作实现预抓取机制。
For example, if the expression doesn't use the last function then it is not necessary to do look-ahead processing to determine how many elements there are in the context list.
例如，如果表达式不使用last函数，那么就不必执行先行处理来确定上下文列表中有多少元素。
In this paper we consider two online problems which are naturally maximization problems with look-ahead.
本文讨论了两个自然带前瞻的在线最大化问题，并分析了竞争比的上下界。
NURBS interpolation algorithm, which can fit diverse machine tool's kinetic characteristics and has the function of look-ahead control, is proposed.
提出了一种具有机床动力学自适应能力与曲线前瞻控制能力的NURBS曲线插补算法。
At the server side, the protocol sets up a maximum trying number to prevent the brute-force attack, and a look-ahead parameter to realize counter resynchronization.
该协议通过在服务器端设置最大认证尝试次数来防止蛮力攻击，并设置前顾参数来实现计数器重同步。
There is nothing like a birthday to make me look back at the year behind and be hopeful for the year ahead.
再也没有一天像生日这一天，能够使我去回顾过去以及对未来充满希望。
Ask specific questions about the challenges the person would face in the position, and look for whether he's answering on the fly or has given some thought to the issue ahead of time.
针对他们在应聘岗位上可能面临的挑战，对他们提出一些问题。从他们的回答中，可以观察到他们是临时做出的仓促回答，还是提前已经做到了深思熟虑。
There are a number of fascinating figures and observations from Grigsby's presentation (embedded below) about the state of the mobile web and the challenges ahead. It's definitely worth a look.
在Grigsby幻灯片展示中有许多很好的图表和观察数据(见下面的幻灯片)，很好的说明了移动网络的状况以及即将面对的挑战，绝对值得一看。
If you look at the last four or five years, for some reason Arsenal always got ahead of us slightly, but if you look now, it's certainly even.
或许光看最近四五年，因为某些原因，阿森纳成绩稍微比我们强丁点儿，但现在可大不同了。
This month I'll look at collaboration, some of the tools that are now available, and look ahead to where we might be going with the concept.
这个月我将探讨协作、一些现在可用的工具，并且预见一下我们能达到哪里。
Our eyes are placed in front, because it is more important to look ahead than to look back.
我们的眼睛长在前面，因为人更重要的是要往前看而不是往后看。
A recent report predicts what technology will look like in the future and discusses what companies should be doing now to stay ahead.
最近的报告预言了未来的技术将会怎样，并探讨了公司应当如何做方可持续领先。
Every year, when I look out over my 700 eager freshmen on that first day of class, the view gives me optimism about the path ahead.
每年在新学期的第一堂课上，我都会面对700张充满渴望的新鲜面孔，这种景象使我对未来的道路更加乐观。
In the weeks ahead, I also look forward to sitting down with Governor Romney to talk about where we can work together to move this country forward.
在未来的几个星期，我还希望能和罗姆尼州长坐下来讨论在哪些方面，我们可以共同努力，推动这个国家向前。
A look ahead to the completed project's source files provides a roadmap for the application constructed here.
对完整项目源文件的预先了解，可以为本文所构建的应用程序提供一个路线图。
With a full minimax tree, the computer could look ahead for each move to determine the best possible move.
对一棵完整的极大极小树来说，计算机能够向前遍历每一步，直到找到最佳步骤为止。
This brings me to an important point: when it comes to our career, it is critical to look ahead.
这给了我一个很重要的提示：当谈到我们的事业时，展望未来非常重要。
Also, look ahead a few years and see if the requirements for your manager are going to change.
并且预测一下未来几年你对经理人的要求会不会发生变化。
Though I was preparing to go to Oxford, August was one of 1968s craziest months, and it was hard to look ahead.
尽管我在准备去牛津上学，但8月是1968年最疯狂的一个月，很难预测到未来是个什么前景。
The fundamental underpinning of this truism is that markets anticipate and look ahead more than they react to events when they occur.
支持这一真理的基本因素在于，市场更多地是提前预料到某件事情的发生，而不是在发生之后才做出反应。
Look ahead (not down), keep your shoulders relaxed, arms swinging back and forth (not side to side), and your hands gently clenched.
向前看(不是向下)，保持你的肩膀放松，手臂前后摆动(不要左右摆动)，手轻轻握紧。
My mother worked with me constantly, reminding me to look ahead as I walked and to make eye contact, even though I found it painful.
‘我妈妈一直都在帮我。走在路上她提醒我抬起头来，提醒我看着别人的眼睛说话，尽管我觉得很不舒服。’
Can we look ahead twenty five years and dream about the transformations that will take place?
我们能预测未来的25年并设想将会发生什么变化吗？
I will also review the main events of the past year, and look ahead to what needs to be achieved in the future.
我还将回顾过去一年中的主要事件，并展望今后需要做的事情。
Look ahead and begin to walk forward. Don't rush. Simply walk at a comfortable pace and allow your body to establish a comfortable stride length.
朝前看，开始往前走。不要着急，用轻松自在的步调，让你的身体来找到一个放松舒服的步幅。
One thing that we must have learnt from this story of the very serious financial problems facing the world is you have to look ahead and think about the consequences of your actions.
我们必须从目前世界面临的非常严重的金融问题事件中学到的一件事，就是你必须预测未来并考虑你自身的行为的影响。
One thing that we must have learnt from this story of the very serious financial problems facing the world is you have to look ahead and think about the consequences of your actions.
我们必须从目前世界面临的非常严重的金融问题事件中学到的一件事，就是你必须预测未来并考虑你自身的行为的影响。
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