before的例句大全

The main events that happened before birth of the first laser are briefly described in this paper, It has showed the relation between elementary and technical science.

本文概述了第一台激光器诞生之前所经历的主要历史事件，从而揭示了基础理论研究与技术进步的关系。

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Like many others before me, I have experienced intimations of immortality.

像许多我的前辈一样，我经历过不朽的暗示。

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Before he came here, the best check Lijiang weather.

来之前, 最好查一下丽江天气预报.

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Dig the well before you are thirsty.

渴以前就挖井.

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Damp the dress before you iron it.

你熨这衣服之前先浇?崴?

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Preventive anti-takeover strategy means target company takes measures to prevent possible acquisitions before hostile takeover.

所谓预防性反收购策略，是指目标公司为防范可能发生的收购行为，在敌意收购发生前所采取的安排和措施的总称。

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A required version of the common language runtime must be present on the target computer before the application is installed.

安装应用程序之前，目标计算机上必须存在必需的公共语言运行库版本。

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Security issues require you to have sufficient access rights on the target computer to run code before attempting to stop processes or retrieving process property information.

安全问题要求在尝试停止进程或者检索进程属性信息之前，在目标计算机上拥有足够的访问权限来运行代码。

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We bowed before the Buddha.

我们向佛膜拜致敬.

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We will outfit two days before sailing.

我们将在出航前两天整装.

词典精选例句

The primary difference is that add-ons are run before any custom scripts and they target the virtual machine configuration.

二者的主要区别是：附件在自定义脚本之前运行，它们的目标是虚拟机配置。

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For simultaneously dealing with both active and passive interference, it is needed to use side-lobe canceller ( SLC) and moving target indicator ( MTI) together, and usually the SLC is realized before the MTI.

为了同时对付有源和无源干扰，需要同时采用旁瓣相消（SLC）和动目标显示（MTI）技术，且SLC一般都在MTI处理之前实现。

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When a normal pulsed laser radiation is focused to irradiating a target of metal or isolator, a space electric signal will be observed in the vaporized and ejected material before the target.

当普通脉冲激光聚焦照射金属或绝缘体靶时，在靶前面激光产生的蒸汽和溅射物质中，观察到空间电信号。

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Results There were significant difference on knowledge rate and formation rate of health behavior about hospital delivery among target population before and after intervention.

结果目标人群住院分娩相关知识知晓率、健康行为形成率较干预前有显著提高，旧观念对住院分娩的影响明显减少。

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Comprehensive intervention was conducted among target population for 5 months, and indexes before and after interventions were compared and analyzed.

采用小礼品附载宣传资料的形式，对目标人群实施5个月的干预，并对干预后各指标进行比较分析。

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Therefore, in the battle dynamic target shooting is very important. It needs to find target quickly, judge distances in a short time, finish the preparation, opened fire before the enemy and hit the target first.

因此，在作战时更多的是对动态目标进行集中射击，需要要做到发现目标后在较短的时间内迅速判断距离、完成射击准备、先敌开火并准确命中目标。

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The optimized result shows that train energy is lower than before by tracking the optimized target speed curve, which explains that the algorithm has a good energy-saving effect. And a better real-time performance is reflected with the fast optimization of the second stage.

结果表明：列车追踪优化的目标速度曲线运行，能耗较低，具有较好的节能效果，同时第二阶段优化速度较快，具有一定的实时性。

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Federal investigators are looking for answers into why an Asiana Airlines 777 aircraft was traveling significantly below its target speed during an attempt to land over the weekend just before a crash into a runway at San Francisco airport.

联邦调查人员正在调查韩亚航空波音777客机在本周末撞上旧金山机场的跑道以前，试图降落时飞行速度明显低于目标速度的原因。

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Low working memory capacity was tested in two conditions, significant differences, the focus word in the situation before the target word, there has been more focus on the target word intrusion errors, and the memories are even worse.

低工作记忆广度的被试在两种条件下差异显著，焦点词在靶子词之前的情况，出现了更多的焦点侵入错误并且对靶子词的回忆也更差。

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Sub-vector model of DEA method was adopted to measure the technical efficiency and scale efficiency of the irrigation districts and regions before the utmost water-saving potential was estimated.

选用DEA方法的分向量模型分别度量了陕西大型灌区和各市的灌溉水规模效率和总技术效率，估算了各灌区和各市的农业节水潜力。

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