In view of the low speed of convergence of the back-propagation algorithm ( BP) and the local minimum problem existing in the BP algorithm, a disturbing accelerating back-propagation algorithm ( DABP) is established.

Structure and Second Nonlinear Optical Properties of DABP and MABP

DABP和MABP的结构与二阶非线性光学性质

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The Deferred Action for Childhood Arrivals program, also known as a DACA, allows certain young unauthorized immigrants to avoid deportation and gain the right to work for two years.

青少年非法移民暂缓遣返项目（简称为DACA）允许特定的年轻非法移民避免被驱逐，并获得在美国工作两年的权利。

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Last November, they called on her to support the clean DREAM Act to protect immigrant children who are allowed to remain in this country under DACA.

去年十一月，大家也曾呼吁伊万卡清除“梦想法案”，保护移民儿童，允许他们在童年抵美者暂缓遣返计划（DACA）的保护下留在美国。

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The domestic DCS control system "Union-2000" and its main technical daca, the current scale of system equipped and its some main properties are described.

本文叙述了我国自行研制的中型集散控制系统（Union-2000）的主要技术指标、目前系统的配置规模及其主要特点。

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DACA evidently decreased the number of common neighbor clusters, thus effectively lowering maintenance cost and improving routing and transferring performance.

DACA算法将簇间的公共节点数目大大降低，从而有效降低了分簇结构的维护开销，提高了网络运行的效率、路由和转发性能。

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Two clustering algorithms, SACA for static ad hoc networks and DACA for dynamic networks, were proposed.

针对已有分簇算法的缺陷以及静态和动态ad hoc网络的特性，分别提出了新的静态分簇算法SACA和动态分簇算法DACA。

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DACA participants have to reapply every two years.

该项目参与人每隔两年要重新提交一次申请。

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Then according to the history of space blocks Daci state inspection from historical data analysis to find out the Daci neighborhoods in the ancient soundscape state, trying to draw historical space in neighborhoods Daci soundscape features.

然后根据大慈寺街区的历史空间状态，从史料中查阅分析寻找出大慈寺街区在古代的声景状态，试图得出大慈寺街区历史空间中的声景特征。

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She told me that Mr Yan gave instruction for a weekly meditation at7pm of Thursday evenings at DaCi Temple, and that she would be happy to accompany me there.

她告诉我每周四晚上7点，严永奎先生会在大慈寺进行冥想修行指导，而她很乐意陪我去那里。

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Based on land plan for the reconstruction of the Daci Temple cultural commercial community in Chengdu, the thesis works for how to succeed Chinese traditional architectures in reconstruction of aged cities.

本文以成都大圣慈寺文化商业社区的改造规划为例，阐述了作者对于如何在旧城改造中继承中国建筑传统的探索和见解。

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Because I am used to practicing meditation with a group, I was therefore grateful to find this group at DaCi Temple to practice mediation with.

因为我习惯于一组人一起做冥想修行，所以我很高兴能够与这组人在大慈寺同做冥想修行。

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In a dacl, the entry grants or denies permissions to a user or group.

在dacl中，该条目对用户或组授予权限或者拒绝授予权限。

provided by jukuu

Based on DACL, the general design for security can be achieved.

基于DACL，可以实现应用开发的一般安全设计。

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According to the requirements brought out by MSDA, a DBMS-oriented access control model ( DACM) is presented, which is based on the adaptation research of RBAC model.

在MSDA的基础上，面向数据库系统进行了访问控制模型的适应性研究，提出了一个基于RBAC模型的数据库系统访问控制模型（DACM）。

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DACM focus on enriching RBAC model by adopting access control context and solves the problem of violating the principle of least privilege.

DACM引入了访问控制上下文，有效地支持了数据库中的受控访问机制建模，并解决了原有方式中违反最小特权原则的问题。

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The Application of Voltage-Output 10-Bit DACs

电压输出的10位DAC芯片的应用

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Study on Key Technology of Drawing Input in DACS

DACS中工程图纸输入的关键技术研究

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DACS: Design and Implementation of Access Control for Grid Data Service

DACS：网格数据服务访问控制的设计与实现

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The integral DACT transmits system status to a central station via the public switched telephone network.

综合DACT通过公用交换电话网将系统状况传输到中央站。

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He is currently the associate professor of music department and graduate institute of Ethnomusicology of NTNU, and the leader of DADC ( Digital Archival Documents Center, NTNU).

他是目前国立台湾师范音乐系和非欧洲文化的音乐研究学会的副教授、以及数字档案中心主任。

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