查询词典 rational expression

These results suggested that the function of each function domain in HIV 1 LTR exhibited distinct characteristics on gag gene expression in vaccinia virus:(1) The function of intact LTR on gag gene expression varied with the upstream poxvirus promoter;(2) NR sequence neither decreased nor increased the Gag protein exprssion level;(3) Enhancer sequence might not be recognized by recombinant vaccinia virus expression system;(4) TAR sequence enhanced Gag protein expression effectively;(5) U5 region and its downstream non translated sequence had little effect on

免疫印迹和免疫酶试验检测均表明，6株重组病毒的Gag蛋白表达量因LTR不同而有明显差异，表明HIV1的LTR及其下游基因置于痘病毒启动子控制下，在痘苗病毒中表达时有下述特点：（1）不同的痘苗病毒启动子与全长LTR相互作用，对gag基因表达有显著不同的调控效果；（2）NR序列对Gag蛋白表达没有明显影响；（3）EN序列不能被重组痘苗病毒表达系统识别；（4）TAR序列可提高Gag蛋白的表达量；（5）U5区及下游非翻译序列不影响Gag蛋白的表达。

The expression of both CD4(superscript +) and CD8(superscript +) expression in T lymphocytes of HHD groups was increased, but only CD4(superscript +) expression in RC group and only CD8(superscript +) expression in heat-shock group was increased.

白花蛇舌草组腹水CD4及CD8细胞表达均呈增高趋势，党参对照组及热休克处理组分别以CD4和CD8细胞表达为主。

Introduced the product concept exaggeration,form exaggeration,function exaggeration,image exaggeration and so on,analyzed the application of exaggerated expression through examples,and pointed out that the rational application of exaggerated expression contributes to improve designers'ability,and to create products which meet the consumers personalities and aesthetics needs.

介绍了产品设计过程中产品概念夸张、形态夸张、功能夸张以及意象夸张等表现手法，并运用实例分析夸张表现手法的应用。指出夸张表现手法的合理运用有助于设计师能力的提升，能创造出符合消费者个性及审美需求的产品。

In order to correct these irrational actions, we must build a mechanism to induce the individual expression of interests into a controllable track, fully exerting the influences of policy, interest, value, role and model, etc. Therefore, the rational expression of interest subjects can be achieved in a legitimate way.

针对这些非理性行为必须构建一个引导机制，充分发挥政策引导、利益引导、价值引导、榜样及角色引导的作用，将个体的表达行为纳入到可控制的轨道上来，引导利益表达主体通过合法途径来表达合理利益诉求。

And the original idea doesn't come from the unknowable afflatus, but origins from the designer's rational cognize about the design topic and object, it's the result of analysis, planning and rational contemplation.

创意并非是一种不可捉摸的灵光乍现，而是来源于设计师对设计主题与设计对象的理性认知。它是一种分析、策划、理性思考的结果。

The paper studies the rational back aggraclation width of yellow river dike with reliable theory,researches and formulates the finite element reliability program of Monte-carlo filtration for calculate the failure probability of filtration stability for soil body of different distance from slope base of yellow river dike under design flood level,thus determines the rational back aggradation width.

利用可靠性理论对黄河堤防淤背设计的合理宽度问题进行了系统的分析研究，充分考虑了黄河堤防土体参数的随机变异性，研制了蒙特卡洛渗流有限元可靠度程序，用来计算在设计洪水位下距黄河堤防背河坡脚不同距离的地层土体渗流稳定破坏概率，从而确定合理的淤背宽度。

In this paper,we propose a concept called interval implicitization of rational bézier surfaces,that is ,finding an interval algebraic surface with lower degree which bounds a given parametric rational bézier surface such that some objective function involving the width and the tention term of the interval algebraic surface is minimized.

本文提出有理Bézier曲面的区间隐式化的概念，即找到一条较低次的区间代数曲面使得给出的有理Bézier曲面落在该区间代数曲面内，并使得一包含区间代数曲面的宽度和张量项的目标函数达到最小。

If the profile curve has been denoted by a nonuniform rational quadratic B-spline curve, it is very convenient to represent the surface of revolution as a nonuniform rational biquadratic B-spline surface.

只要轮廓曲线用非均匀有理二次B样条曲线来表示，就可相当方便地把旋转曲面表示成非均匀有理双二次B样条曲面。

We present two methods for generating a segment of circular arc by the vector valued continued fractions. Based on this method we construct a parametric rational arc spline that is GC〓 continuity. By adjusting the given tangent vector, this parametric rational arc spline also has convexity preserving property and monotonicity preserving property.

本文利用向量连分式给出了两种快速生成圆弧的新方法；在此基础上，本文还构造了一种GC〓连续的可调参数有理圆弧样条，在实际操作中，通过调整一侧端点的切向量，可使上述圆弧样条曲线保凸，保单调。

Rational polynomial coefficient in the Rational domain can not be the judge about substituting mathematical theorem is the most important issue.

有理系数多项式在有理数域上不可约的判定定理是代数学中的重要问题。

They have quite a lot of work to do.

他们有许多工作要做。

Let us give you a more elaborate example of this process.

让我们给你这个过程的更多的详细例子。