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selective retention是什么意思

中文翻译选择性保持

网络释义

1)selective retention,选择性保持2)optional retention,选择保持3)select-hold,带保持的选择4)selective protection,选择性保护5)selective retention,选择性保留6)Government's Optional Support,政府选择性支持

用法例句

    The total synthesis of natural Cudraflavanone B was first achieved through selective protection of phenolic hydroxyl groups, Mitsunobu reaction, Claisen rearrangement, condensation, cyclization and deprotection starting from 2,4,6-trihydroxyacetophenone and 2,4-dihydroxybenzaldehyde.

    以2,4,6-三羟基苯乙酮和2,4-二羟基苯甲醛为起始原料,经过异戊烯基取代、选择性保护羟基、Mitsunobu反应、Claisen重排、醛酮缩合、催化环化及去保护基等步骤,首次完成了天然异戊烯基黄烷酮CudraflavanoneB的全合成,同时也完成了(±)-5-O-甲基-6-(2"-异戊烯基)-7,2',4'-三羟基黄烷酮的全合成研究。

    Three-section protection model was established to implement selective protection.

    通过漏电电流计算模型得到最大漏电电流及所在相线,建立三级漏电保护模型,实现选择性保护,并设计了智能漏电保护器硬件结构,介绍了软件所实现的功能。

    This article discuss about the selective protection technique for the low-voltage distribution system: current election.

    本文论述了低压配电系统的选择性保护技术:电流选择性、时间选择性、虚拟时间选择性、区域选择性和能量选择性,并简述了选择性保护技术对低压断路器的技术要求和选择性保护设计。

    "He can keep it light," Chamberlain said. "And he knows when to be serious."

    "老克可以选择保持低调处理,他也知道该何时该严谨面对此事。"

    The Choice of China s Environmental Protection Tax Policy for Sustainable Development;

    我国可持续发展的环保税收政策选择

    Accounting Policy Choice of Capital Maintenance and Share Issuing Privatization;

    资本保全、国有股减持的会计政策选择

    STRATEGIC CHOICE TO PROTECT FAMOUS SPRINGS IN JINAN;

    济南市保持名泉常年喷涌的战略选择

    The Significance of Advancement of Environmental Science and Technology in Sustainable Development;

    环保科技进步:可持续发展的必然选择

    Materials to be used for structural purposes are chosen so that they behave elastically in the environmental conditions.

    结构材料的选择应使其在外界条件中保持弹性。

    You have chosen to keep aspect ratio, try width/height again.

    您已选择“保持纵横比”。请重试宽度和高度。

    Study on Selection of Plant Materials for Soil and Water Conservation in Southern Section of the Taihang Mountain;

    太行山南部水土保持植物材料选择研究

    Study on the Trees Species Selection and Configurating Model for Soil and Water Conservation Forest in Hunan Province;

    湖南省水土保持林树种选择及配置模式研究

    Agricultural Support instead of Protection: A New Option in the Post-WTO Era;

    WTO后时代的新选择:农业支持替代农业保护

    On the Sustainable Development of SME Enterprise and Security Company;

    中小企业信用担保公司可持续发展的模式选择

    Constitutional Right for Protecting Environment as a Strategy for Sustainable Development;

    宪法保护环境权:可持续发展战略的选择

    Improvement of Elitism Preservation and Optimum Selection of Multi-objective Particle Swarm Optimization Algorithm

    MOPSO中精英保持策略和最佳解选择方法的改进

    So, the box remains gray to indicate that you can't type in it until you choose the join domain option.

    因此,在您选择加入域的选项前,此框会保持灰色,表示无法输入。

    That object remains selected until the user selects something else.

    对象保持选中状态,直到用户选择了其他对象为止。

    income option policy

    可选择保险额的保险

    Materials to be used for structural purposes are chosen so as to behave elastically in the environmental conditions.

    结构材料的选择应使其在外界条件中保持其弹性。

    "We choose our friends by instinct, But we keep them by judgment. -- Alfred Capus"

    我们选择朋友靠的是本能,但保持友谊靠的是判断。--卡皮

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