This paper studies expression optimization in compilers for pipeline computers.
本文讨论了在流水线机上编译系统的表达式优化。
Path expression is one of the core components of most XML query languages. However, there are few researches on the issue of path expression optimization.
路径表达式是XML数据查询语言的核心部分，但是目前针对路径表达式本身进行优化的研究却相对较少。
When it comes to parser generators, Parsing Expression Grammars (PEG) have become quite popular recently after a thesis by Bryan Ford introduced an optimization called "Packrat Parsing".
当谈到解析器生成器的时候，解析表达式语法（PEG）最近因为一篇BryanFord介绍的一种叫做“Packrat解析”优化的论文而变得很流行。
The optimization profile in Listing 23 contains an XQuery expression that returns customer account information for companies that deal in software and trade in Yen currency.
清单23中的优化概要文件包含一个XQuery表达式，它为经营软件并以日元交易的公司返回客户帐户信息。
If the expression can be verified as a constant, then a constant expression (which is available for optimization) is used.
如果发现表达式是常量，那么就使用可以优化的常量表达式。
Rough set-based method of combinatory logic optimization was presented by using knowledge expression of logic function with rough set theory, and its corresponding algorithm was given, also.
运用粗集理论对逻辑函数进行知识表达的方法，提出了基于粗糙集的组合逻辑优化方法，并给出了相应的算法。
Large data processing was relatively well solved by means of compiling and running of expression evaluation and code optimization.
通过表达式求值的编译执行和代码优化等手段，较好地解决了大数据量的处理问题。
Aiming at how the DBMS query optimizer to generate the smallest cost query plan, optimization rules of the relational algebra expression are given.
针对DBMS查询优化器如何生成成本最小的查询计划问题，给出关系代数表达式的优化规则。
CONCLUSION: The expression of LZP3 gene in yeast could be successfully improved by using codon optimization.
结论：通过密码子优化，能显著提高LZP 3基因在酵母细胞中的表达水平。
The key of the optimization design of a small eddy current sensor coil is to find out the reasonable expression of the optimization destination function.
小外径的电涡流传感器薄线圈的参数优化设计的关键是寻求合理的目标函数的表达式。
In order to obtain a general optimization model, study on substantial characteristics of the mathematical expression of hydrodynamic bearings profiles was brought forward.
为了得到通用的优化模型，对动压轴承型线数学表达式的本质特点进行了研究。
Objective: to increase the expression level of foreign gene by the optimization of the expressional regulatory elements in the cassette of interesting gene.
目的：优化哺乳动物细胞表达系统，提高目的基因的表达效率。
To reversely calculate structural parameters by using second-order approximate expression of the gradient matrix and Hessian matrix for optimization function in identified optimization results.
利用优化函数的梯度阵和海森矩阵建立函数的二阶近似表达式在已确定的优化结果反向计算结构参数。
Through the optimization and exploration of various conditions, an exact and easy operation platform is successfully constructed for detecting functional gene expression of officinal plant.
通过对各种条件的优化探索，建立了准确和简单易行的检测药用植物的功能基因表达的平台。
To optimization of the expression of the road, create the road face by line-shape data and integrate the anti-aliasing method;
对于优化道路表现方式，本文提出了快速构建道路面的方法，并结合反走样有效提高了表现道路时的美观程度；
It discusses the method of detecting these points, the expression-independent vectorization of human face and also the arrangement and optimization of the facial feature database.
文章给出了这些特征点的提取方法，对与表情变化无关的人脸的矢量化方法进行了研究，并对人脸特征数据库设计和优化进行了探讨。
In this paper, we make some researches on the XML query structure and analyze the optimization policy in logical optimization. How to optimize the path expression is discussed primarily in this paper.
本文介绍了XML查询的查询处理结构，分析了逻辑优化的常规策略，重点研究了如何针对路径表达式进行优化。
But to get high expression levels of specific antibody expression vector, further optimization of the immune processes will be also needed.
但要想得到高表达量的特异性抗体还需要对表达载体、免疫过程等方面进一步优化。
But to get high expression levels of specific antibody expression vector, further optimization of the immune processes will be also needed.
但要想得到高表达量的特异性抗体还需要对表达载体、免疫过程等方面进一步优化。
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