In the development of visual culture, the mass media rises to push a function for help, the development of visual culture also affects the system of expression of the mass media at the same time.

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At first, this paper simply introduces π-calculus syntax and semantics and describes the system by expression of process algebra, then analyses the π-calculus ability of modeling.

本文在简单介绍π演算的语法和语义基础上，用进程表达式对整个系统软件结构框架进行了形式化描述，并分析了π演算的建模能力。

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Objective To clone human tumor necrosis factor-related apoptosis-inducing ligand ( TRAIL, 114-281) cDNA and develop an inducible system for expression in E. coli.

目的应用基因工程技术克隆人肿瘤坏死因子相关凋亡配体分子胞外区（TRAIL）114~281片段的cDNA，构建其原核表达载体，建立原核表达体系。

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In this research the hirudin gene was synthesized and put into yeast system for expression. The efficiency of gene expression was valued and some factors affecting it were probed.

在该项研究中将水蛭素基因转入酵母系统中进行表达，以评价人工合成基因在真核系统中表达的效率和探讨影响表达水平的因素。

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A Multi-Crossover Genetic Algorithm and Its Application in Job Shop Scheduling System cross-lineage expression and "null cell" type.

一种求解Job shop问题的多向交叉遗传算法交叉表达；

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同样的，本文首先推导了非线性失真环境下的MIMO系统容量公式，随后研究了非线性失真环境下的功率分配问题。

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Development of Genetic Transfer System and Expression of an Extraneous Endoglucanase Gene in Xanthomonas S-152

野油菜黄单胞菌S&152遗传转移系统的建立及外源性内切葡聚糖酶基因在其体内的表达

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The effects of tnf-α on the protein metabolism and the ubiquitin system gene expression in isolated skeletal muscles

TNF对离体孵育骨骼肌的蛋白代谢与泛素系统基因表达的影响

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Basic studies of tetracycline-controlled system on expression of DT/ VEGF chimeric gene on gastric cancer therapy

四环素调控系统控制白喉毒素-血管内皮生长因子融合基因治疗胃癌的基因研究

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Studies on Establishment of Regeneration System, Expression of LEAFY Gene and Genetic Transformation in Ginkgo Biloba

银杏再生体系建立和LEAFY基因表达、转化的研究

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The software system of expression and development of hull plate bending by line heating is based on windows platform.

水火加工船体外板表达与展开软件系统，以Windows作为软件的开发平台，由于其特有的面向对象的程序设计方法及消息驱动等许多优点，使程序结构清晰、易于维护和扩充；

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Effects of Fluoride on Hepatic Antioxidant System and Expression of GSH-Px Gene in SD Rat

氟中毒大鼠肝脏氧化损伤及GSH-Px的基因表达的观察

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It needs more study about the influence of cytoskeleton system on expression of CX in future.

有关细胞骨架系统对于Cx表达的影响有待进一步的研究。

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Effect of Crystallographic-Physical-Axes Coordinate System on Expression of the Third-Order Effective Nonlinear Coefficient

晶体物理主轴坐标系对三阶有效非线性系数的影响

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With the development of neutral nervous system, expression of VEGF gradually decreases.

随着中枢神经系统发育成熟，VEGF的表达逐渐减少。

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Application of Expert System Knowledge-Base Expression and Inference Based on Index Lists

基于索引表的专家系统知识库表示与推理应用

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Mechanical Design Expert System Knowledge Expression Research Based on ANN

基于ANN的机械设计专家系统知识表示研究

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The Expert System Knowledge Expression of Computer Generated Air Forces System

计算机生成航空兵力系统的专家知识表达方法

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For the purpose of adapting to machine processing, the demand of the language's logic reasoning abilities is becoming higher and higher, and the language's abilities of knowledge modeling and system expression also be required much attention.

为适应机器处理的环境，对它的逻辑推理能力的要求越来越高，知识建模功能与系统表达能力受到越来越多的重视。

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The quantification of prion gene in cow reproductive system expression

朊蛋白在奶牛生殖系统特异性表达的研究

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VIP Measurement and Power System Protection Using Opto-Electronic Transformer

基于光电式电流互感器的VIP测量及电力系统保护

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