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short block
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  短路块
     This paper analyses and improves the design of the short block,the shape of doo rknob and the choke of rectangular waveguide rotary joint with coaxial doorknob ,and advances a possible design method 。
     着重对门钮式波导 同轴交连的短路块、门钮形状以及扼流槽等关键部位进行了改进设计和分析 ,提出了可行的设计方法。
短句来源
  “short block”译为未确定词的双语例句
     Construction of Short Block Length Irregular Low-Density Parity-Check Codes
     构造短码长不规则LDPC码
短句来源
     In the theory guidance of key stratum of ground control and model of "short block structure of voussoir beam" and "step voussoir beam" , sand dynamic load transmitting test model is constructed and intellectual dynamic data acquisition instrument is explored.
     并以岩层控制关键层理论和浅埋煤层“短砌体梁”、“台阶岩梁”结构模型为理论指导,构建了测试浅埋煤层砂土层动态载荷传递模型; 开发研制智能动态数据采集系统;
短句来源
     In the polymerization system, the average sequence lengths of diads and the average permanence ratio of four monomer units indicate that the styrcne unit (S) tends to form short block polymers, vinyl unit (v) shows a tendency to combine with the other three monomer units, trans- 1, 4-butadiene unit (t) and cis-1, 4-butadiene unit (c) show tendency to form structures containing alternating units besides the block polymers formed from themselves.
     在本聚合体系下,二单元的序列长度和四种结构单元的平均持续比表明,苯乙烯单元(S)易形成短嵌段聚合物,1,2-丁二烯单元(V)显示出易与其它三种单体单元结合的趋势,反式1,4-丁二烯单元(t)和顺式1,4-丁二烯单元(C)除形成本身的嵌段聚合物以外,也易形成交替式结构.
短句来源
     The “short block voussoir beam” and the “step voussoir beam” structure model during main roof periodic weighting are advanced Through stability analyzing, it is revealed that the intense roof weighting and roof step in shallow seam longwall mining are caused by roof key block sliding, and the resistance force to control roof sliding is put forward Thus, the base of roof control theory in shallow seam is established
     建立了浅埋煤层采场老顶周期来压的“短砌体梁”和“台阶岩梁”结构模型, 分析了顶板结构的稳定性, 揭示了工作面来压明显和顶板台阶下沉的机理是顶板结构滑落失稳, 给出了维持顶板稳定的支护力计算公式, 为浅埋煤层顶板控制定量化分析提供了理论基础.
短句来源
     The performance of Turbo codes with short block length depends on the interleaver design. A major criteria in the design of an interleaver is the distance spectrum of the code.
     具有短帧的 Turbo码的性能取决于交织器的设计 ,设计的主要目标是距离谱的优化。
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  相似匹配句对
     Block and Z.
     B lock和Z.
短句来源
     A Survey of Research on Sorting by Short Block-moves
     短块移动排序研究进展
     1 fault rising block is short of good seal.
     1号断裂上升盘缺乏良好的盖层 ;
短句来源
     Gypsum block
     石膏砌块
短句来源
     Short-termTestofDichloromethaneToxicityinClosedSpace
     密闭环境中二氯甲烷毒性的短期试验研究
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  short block
This paper investigates the problem of finding a minimum-length sorting sequence of short block-moves for a given permutation.
      
A short block-move is an operation on a permutation that moves an element at most two positions away from its original position.
      
The study of service procedures for major, minor and short block service.
      
The transition reduction numbers are particularly high for short block sizes, an aspect examined in detail in the next subsection.
      
These include polymers containing a random distribution of relatively short block of polymers A and B where A and B occur in random order.
      
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The compositions of sixteen diads of random butadiene -styrcne copolymers were calculated by using aliphatic carbon portion of the 13C-NMR spectra, based on the assignment in the previous paper. Compositions of the four monomer units deduced from the calculation were consistent with the results obtained from 1H-NMR spectra. In the polymerization system, the average sequence lengths of diads and the average permanence ratio of four monomer units indicate that the styrcne unit (S) tends to form short block...

The compositions of sixteen diads of random butadiene -styrcne copolymers were calculated by using aliphatic carbon portion of the 13C-NMR spectra, based on the assignment in the previous paper. Compositions of the four monomer units deduced from the calculation were consistent with the results obtained from 1H-NMR spectra. In the polymerization system, the average sequence lengths of diads and the average permanence ratio of four monomer units indicate that the styrcne unit (S) tends to form short block polymers, vinyl unit (v) shows a tendency to combine with the other three monomer units, trans- 1, 4-butadiene unit (t) and cis-1, 4-butadiene unit (c) show tendency to form structures containing alternating units besides the block polymers formed from themselves. The results prove that 13C-NMR is a powerful tool for investigating the microstructure of butadiene-styrcne copolymers.

在前文谱带指认的基础上,用~(13)C-NMR谱的脂肪碳部分计算了无规丁苯共聚物中十六种二单元的组成.由它们推出的四种结构单元的组成与从氢谱得到的结果相符.在本聚合体系下,二单元的序列长度和四种结构单元的平均持续比表明,苯乙烯单元(S)易形成短嵌段聚合物,1,2-丁二烯单元(V)显示出易与其它三种单体单元结合的趋势,反式1,4-丁二烯单元(t)和顺式1,4-丁二烯单元(C)除形成本身的嵌段聚合物以外,也易形成交替式结构.结果表明,~(13)C-NMR是研究丁苯共聚物微观结构的有力工具.

This paper describes a nonlinear short-block data estimation technique(NSBE)suitable for theHF modem,with which the known training symblos are used to track the channel characteristics and to detect theunknown data symbols.The adoption of the decision feedback type may reduce the length of the data block, sothat an algorithm of a simplified Cholesky matrix resolution is used. Computer simulation indicates that thisscheme facilitates to effectively eliminate the intersymbol interference in...

This paper describes a nonlinear short-block data estimation technique(NSBE)suitable for theHF modem,with which the known training symblos are used to track the channel characteristics and to detect theunknown data symbols.The adoption of the decision feedback type may reduce the length of the data block, sothat an algorithm of a simplified Cholesky matrix resolution is used. Computer simulation indicates that thisscheme facilitates to effectively eliminate the intersymbol interference in the HF channel and it can be applied tothe high-speed serial HF modem.

本文研究了一种适用于HFMODEM的短块式数据检测技术,该技术中使用已知的训练符号对信道特性进行跟踪并对未知数据进行检测。采用判决反馈的形式,可以减小数据块长度,进而采用一种简化的Cholesky矩阵分解的算法。计算机模拟表明:该方案能有效地消除高频信道上的码间串扰,适用于高速串行HF MODEM。

The “short block voussoir beam” and the “step voussoir beam” structure model during main roof periodic weighting are advanced Through stability analyzing, it is revealed that the intense roof weighting and roof step in shallow seam longwall mining are caused by roof key block sliding, and the resistance force to control roof sliding is put forward Thus, the base of roof control theory in shallow seam is established

建立了浅埋煤层采场老顶周期来压的“短砌体梁”和“台阶岩梁”结构模型, 分析了顶板结构的稳定性, 揭示了工作面来压明显和顶板台阶下沉的机理是顶板结构滑落失稳, 给出了维持顶板稳定的支护力计算公式, 为浅埋煤层顶板控制定量化分析提供了理论基础.

 
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