He's obliged to take his turn at reading out the announcements

Besides cafes and cake shops, students often opt to study in the open air.

除了咖啡馆和蛋糕店之外，学生们还经常在户外上自习。

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It is within the sovereignty of every nation to opt, in keeping with its national conditions and the will of its people, for a social system and road of development of its own choice. No one else has the right to interfere.

根据本国国情和自己的意愿选择社会制度和发展道路，是各国人民的主权，别人无权干涉。

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Objective To observe the efficacy of intense pulsed light ( IPL) incorporated with optimal pulse technology ( OPT) in the treatment of rosacea.

目的观察新型强脉冲光（IPL）治疗酒渣鼻的临床疗效。

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It described the design and realization of a production planning system which is based on the theory and principles of optimized production technology ( OPT) in ERP.

文中描述了基于OPT的ERP软件中生产作业计划系统的设计与实现，给出了系统的信息流程图，详细描述了系统的实现步骤和一种动态调度仿真顺排算法。

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Utilizing opt method in desulfurization and cyanide removal technique to produce clean cog

OPT法脱硫脱氰生产洁净煤气

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The companies will first release interfaces built on existing public health apps in May that can work on iOS or Android systems, followed by a more comprehensive platform in the coming months to which users will be able to opt in.

两家公司将于5月份首次推出建立在现有公共卫生应用程序上的接口程序，可以在iOS或安卓系统上运行，未来几个月还会推出一个更复杂的平台，用户可以参与进来。

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The agreement reached early Thursday gives the European Central Bank broad powers to oversee banks in the 17 nations that use the euro currency, as well as institutions in other EU nations that opt in to the system.

这项星期四早上达成的协议授予欧洲央银行很大权力，监管欧元区17个国家的银行，以及欧盟国家中那些决定接受监管的非欧元区国家的银行。

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Aimed at the characteristics of multi-project production, multi-project production scheduling mode, based on two-level coordination, is developed to control plans inside enterprise by extending MRPII/ OPT in the single project to multi-project enterprise.

针对多型号生产的特点，将单型号内部的MRPII/OPT扩展到整个多型号企业，提出基于二级协调的多型号生产调度运行模式，以便更有效地控制企业内部的计划；

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The next stage will be for an x-ray equipment company to integrate the software with its products, and once it's available to dentists we'd hope that entire primary care trusts might opt in.

下一步的工作是将该软件与X线仪器公司的产品进行整合，一旦牙医可使用该仪器，我们希望全部的基本护理机构都能够加入使用的行列。

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And there are Android-based apps on the smartphone, like Gmail, that you can opt in for notifications on the watch.

智能手机上有一些基于安卓系统的应用如Gmail，你可以选择在手表上显示这些应用的相关通知。

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There is a tight core framework that can be used to build high performance web services and then there are opt in plug-ins and additional features that can be cherry picked from.

严密的核心框架可以用于构建高性能的网络服务，还有插件和附加功能可供随意选择。

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The first step for a student in considering a career in meteorology or atmospheric sciences is to opt in favor of physical science courses and mathematics.

第一步，让学生在考虑投身气象或大气科学是选择赞成物理科学课程和数学。

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It would allow users to opt in to a browser setting that would tell third parties, usually advertisers, not to track their browsing activity.

依据法案，用户可以在浏览器中设置选项，从而告知广告商等第三方不要追踪其浏览行为。

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The analysis of the optimal avalanche gain M opt in the distributed temperature sensor system based on the Raman-backscattering is presented.

本文对基于后向Raman散射分布式光纤测温系统中APD的最佳雪崩增益Mopt进行了分析。

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I am informed of the Student Protection Scheme and I choose to opt in/ out of it.

我已被告知此学生保护计划内容，我选择加入/不加入此项计划。

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Opt in for both image ads and text ads.

选择两个图片广告和文字广告。

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One way that you can let the consumer know that your site exists is to build an opt in list.

一个方法可以让你知道你的消费地点选择存在是建立在名单内。

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A clinical study on neurosis in OPT in an internal clinic of general hospital

综合医院内科门诊神经症的临床研究

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Smartphone users must opt in to use it.

智能手机用户必须自主选择才能使用这一功能。

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The Discussion of Problems that Affect the Application Effect of APC& OPT in Process Industry

先进控制与优化控制在过程工业应用中若干问题探讨

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