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准确数值
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  “准确数值”译为未确定词的双语例句
     In addition, the differences in birefringences of the sample were measured accurately by using a compensator and 1.11×10 -3 (before excitated) and 3.57×10 -3 (after excitated) are obtained.
     同时,利用巴俾涅补偿器对样品的双折射率差进行了测量,分别得到了绿光激发前后的准确数值为1.11×10-3和3.57×10-3.
短句来源
     It draws the conclusion that the true results can be got no matter which light intensity ratio I_0/I_1(right or left).
     结果表明,无论使用输出光谱左侧还是右侧的主瓣和旁瓣光强比值I0/I1均可计算出准确数值;
短句来源
     The empirical formula describing regularity D k =I(a-b lg L ) was examined and compared with results obtained from experiments. More exact values of slope a and intercept -b for different electroplating baths are provided.
     考察了描述上述分布规律的经验公式Dk=I(a -blgL) ,并与所得实验结果进行比较 ,提出了不同电镀工艺的截矩a和斜率 -b的更准确数值
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     The first,the generalized dispersion equations for the bulk wave with bonding conditions are derived. The second,the relation of the measurement accuracy with the bulk wave dispersion of the piezobiosensors are discussed and simulated by computer. At last,the theory is proved correct by the experiment results.
     首先从固体声场的基本方程出发并结合边界条件给出体波振动模式的频散方程,然后结合该方程对频散与检测准确度之间的关系进行了理论研究并根据该频散方程进行了准确数值计算与模拟,最后通过实验证实了上述理论分析的正确性。
短句来源
     To capture the definite number of pulses,disturbing pulses must be removed.
     为了得到脉冲的准确数值 ,必须想办法把干扰脉冲去掉 .
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     The numerical results show that this method is precise and high efficient.
     数值结果表明该方法是准确有效的。
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     Numerical tests indicate that PTAM is accurate and efficient.
     数值试验表明 ,本文方法是准确和高效的 .
短句来源
     insist nicety;
     强化准确;
短句来源
     Accuracy and Interest
     准确·趣味
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     The computational result is compared with G.
     数值结果和G.
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  accurate value
This solution is used to show that the finite-size internal energy equation [6] yields an accurate value of the critical temperature for the triangular Potts lattice with three-site interactions in alternate triangular faces.
      
Extrapolation is used to obtain the most accurate value for the two-loop self-energy correction for the 1s state in hydrogen.
      
The contribution of the muon anomalous magnetic moment aμ(hadr) to the vacuum polarization and electro-magnetic coupling constant α(q2) for q2=Mz2 is refined by using a new, more accurate value of the ρ-meson width.
      
A more accurate value of dissociation energy for the G center was determined as 1.08±0.03 eV.
      
From the IS parameters and the hfs parameteras an accurate value for the nuclear parameter λ=0.044(4) fm2 could be derived.
      
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In this paper, the methods using the graphical approximation and taking the geo-metrical average of the upper and lower bounds to the size of the line are put forward, to calculate the characteristic impedance of a coaxial line with elliptic outer conductor and rectangular inner conductor. The boundary of rectangular inner conductor is con-formally mapped into a closed curve which is nearly a rectangle, and its inscribed con-focal ellipse and outer connected confocal ellipse are conformally mapped into two con-centric...

In this paper, the methods using the graphical approximation and taking the geo-metrical average of the upper and lower bounds to the size of the line are put forward, to calculate the characteristic impedance of a coaxial line with elliptic outer conductor and rectangular inner conductor. The boundary of rectangular inner conductor is con-formally mapped into a closed curve which is nearly a rectangle, and its inscribed con-focal ellipse and outer connected confocal ellipse are conformally mapped into two con-centric circles, the geometrical average of the both is taken as its equivalent value. At the same time, the boundary of elliptic outer conductor is conformally mapped into a concentric circle. So they constitute a standard coaxial line, and the formula for calculating its characteristic impedance is obtained.

本文提出用图形逼近和取尺寸上、下限值的几何平均值的方法,计算椭圆外导体-矩形内导体同轴线特性阻抗。矩形截面内导体的内切共焦椭圆和外接共焦椭圆,通过保角变换,变成同心圆。矩形变成近于矩形的闭合曲线,二同心圆分别为它的最小值和最大值,取二者的几何平均值,与同轴椭圆截面外导体同时变成的同心圆,构成一个标准同轴线,得到了特性阻抗公式。并由此推导出椭圆外导体-微带内导体、圆形外导体-方形内导体、圆形外导体-矩形内导体及圆形外导体-微带内导体等各种同轴线的特性阻抗的初等函数表示式。给出了上述几种同轴线的特性阻抗准确数值

This paper studies the time dependence of spatially distributed temperature profiles in an exothermically reacting system under marginally supercritical conditions (reactant consumption ignored). The earlier result for uniform-temperature system(β=0) has been extended and the quantitative mathematical formulae for non-uniform temperature system (0<β≤∞), t/t_(ad)=M/(δ/δ_0-1)~(1/2) is derived. The proportionality constant M is provided and its variation with geometry and Biot number(β) is discussed. The geometries...

This paper studies the time dependence of spatially distributed temperature profiles in an exothermically reacting system under marginally supercritical conditions (reactant consumption ignored). The earlier result for uniform-temperature system(β=0) has been extended and the quantitative mathematical formulae for non-uniform temperature system (0<β≤∞), t/t_(ad)=M/(δ/δ_0-1)~(1/2) is derived. The proportionality constant M is provided and its variation with geometry and Biot number(β) is discussed. The geometries studies are the infinite slab, infinite cylinder and sphere and the reaction rate law discussed is Arrhenius law; however, our results are readily applicable to further geometries and rate laws. Our results are also compared with an exact(numerical) solution: the agreement close to criticality is very good and, surprisingly, remains fair up to δ(?)2δ_(cr).

本文研究了温度具有空间分布的放热反应系统在边缘超临界状态时温度和时间的关系(忽略反应物消耗),扩大了早期对于均一温度系统(β=0)的结果,得到了非均一温度系统(0<β≤∞)的定量的数学公式t/t_(ad)=M/(δ/δ_0-1)~(1/3)。文中提供了比例常数M的值,讨论了M随几何形状和Biot数(β)的变化。本文研究的形状是无限大二平行板、无限长圆柱、球,讨论的反应遵循阿伦尼乌斯速度定律,但是,所得到的解适用于任何形状及任意速度定律。本文的结果与准确的数值解进行了比较,不仅在接近临界点时十分相符,甚至在高至δ≈2δ_(cr)时仍很近似。

The augle between the major axis of the ellipse of oblique dimetric projection

本文推导了由共轭直径及夹角求椭圆长短轴倾斜角度的普遍公式,并应用该公式在AI-M16微计算机系统上计算出斜二测椭圆长短轴倾斜角度较准确的数值和在绘图机上绘出了共轭直径夹角和倾斜角度的变化曲线。最后,对目前一些制图书及某些国家的机械制图国家标准的不同倾斜角度进行了分析,论证了其不精确性。

 
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