Excellent line with marking character was selected from F_4, and this line's economic character was greatly influenced by backcross parent.

The two divergent strains were crossed to establish a conventional F2 segregating population and further a two-way recurrent selection and backcross ( RSB) population.

选择的两个酵母菌株杂交后生成传统的F2群体并随后建立了多世代的双向重复选择回交（recurrent selection and backcross，RSB）群体。

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A method to estimate the minimal sample size required for marker assisted backcross breeding when both foreground selection and background selection are conducted is proposed.

该文提出了一种估算在标记辅助回交育种中同时进行前景选择和背景选择所需群体大小的方法。

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The present study proves the feasibility of applying MAS technology to the backcross breeding programs aiming at improving a single quantitative trait.

本研究证明了将标记辅助选择技术应用于旨在改良单个数量性状的回交育种的可行性。

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Molecular Marker-assisted Backcross Breeding of Maize Rf_3 NIL and Its Efficient Analysis

玉米Rf3近等基因系的分子标记辅助回交选育与效益分析

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The Results of Using Simple Backcross Breeding Method on Resistant to Frogeye Leaf Spot of Soybean

简单回交方法在大豆抗灰斑病育种上应用效果分析

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Preliminary Study on Backcross Breeding of Ven Type Sterile Line of Wheat

Ven型小麦不育系的转育研究初报

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His overall law and backcourt transition play up front from the backhand, the forehand shift to Middle Road.

所以他整体规律是又后场过渡到前场，由反手、正手向中路转变。

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He left without a word and came back with a cloth bag.

他一声不响的走了，拿着一个布袋回来。

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Two anti-static blankets are introduced in the text with discussions and analyses of two different knitting methods of electricity conductive fiber at blanket back cloth.

介绍了两种抗静电毛毯，并对导电纤维在毛毯底布的两种编织工艺进行分析探讨。

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A written marketing plan is the back cloth against which operational decisions are taken on an on-going basis.

一份书面的市场营销计划是整个酒店持续营运决策中不可缺少的基础和支柱。

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To support his effort, a Macedonian telecommunications company has given him a direct connection to its network backbone.

为支援他的工作，一家马其顿电信商特别允许他直接连上其网路骨干。

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Development of Enterprise Network Backbone in SINOPEC GPCC

高桥石化公司企业级主干网络的建设

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Network Backbone Node Router, Switchboard Security Problem and Countermeasure

网络骨干节点路由器、交换机安全问题及对策

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Implementation of campus network backbone with ATM in Shantou University

汕头大学校园网ATM主干的实现

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Advantages of using Gigabit Ethernet as network backbone are also introduced.

介绍了采用千兆以太网作为校区间网络主干的优势。

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Fiber Distributed Data Interface, or FDDI, came about in the mid-1980s specifically to solve the emerging network backbone issue.

光纤分布式数据接口（FDDI）诞生于八十年代中期，专门用来解决当时新出现的主干网问题。

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The goal of this study is to extract structural backbone of urban road network, which provides the top level for the construction of road network hierarchy.

本文研究的模型综合是针对城市道路网的，目标是结构化提取城市道路主干网，为道路网的层次构建提供基础。

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The sequence-specific assignment of spin systems was obtained by NOEs correlation in WET-NOESY spectra, and the complete assignment of proton resonances for backbone and side chain has been achieved.

通过解析NOESY谱中的NOE相关点，完成了对其序列以及主链和侧链质子的全部归属。

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In different pH environments, by changing the proportion of the hydrophilic and hydrophobic segments on backbone and graft chain, LCST could be effectively adjusted between 18~ 56 ℃.

在不同pH值环境中，通过调节亲水基团与疏水基团的比例，可在18~56℃范围内调节LCST，pH<7.5时LCST消失。

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The following texts are our findings: Optimizing degrees of local backbone and side chain residual conformations have been quantified.

以下是我们得到的结果：定量分析了蛋白质残基局部骨架构象及局部骨架构象下侧链构象优化程度。

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