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误差平均
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  average error
     The arrival time residuals reduce to 0.24s from 3.94s. The horizontal average error is estimated to be less than 1.1km and the vertical average error can been controlled less than 2.4km.
     (3)精定位后定位残差由原来的3·94s降为0·24s,水平向估算误差平均可控制在1·1km以内,垂直向估算误差平均可控制在2·4km.
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     This article is devoted to predicting the development of Langfang city's agricultural mechnization during 1988-1995 by using vague(Grey System) theory and the method of experts' adjustment. The result is: the historial average error is 4.74%;
     本文应用灰色系统理论及专家调控方法,对廊坊市1988~1995年农机化发展进行了预测,预测结果:历史拟合误差平均为4.74%;
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     The prediction value tallied with the actual drilling result, and the average error was 11%.
     预测与实钻结果吻合较好,实钻误差平均为11%。
短句来源
     The result of modeling test shows that there exists a kind of seismic cyclic process of every 7 to 8 months in Chinese mainland, and the average error from comparing monthly predicted and observed earthquake magnitudes is below 0.2. Thus the method is more applicable to the society than the experiential prediction.
     模型试验结果表明 ,我国大陆地震活动存在有 7~ 8个月左右的循环结构 ,逐月比较预测与实况的震级误差平均低于 0 .2级 ,因而该方法比经验性预报更适宜社会的实际利用 .
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     The average error for the odd number fatty acids(C_9—C_19) which being used as standards was found to be±3.47%. Total acid value of synthetic fatty acids sample calculated from the quantitative results is in good agreement with that of chemical determination.
     结果表明,对标准酸的分析误差平均为±3.47%,并测得了上海制皂厂生产的合成皂用脂肪酸含有C_8—C_21共14个组分,按照定量结果计算的酸值和化学法测得的数据相比,结果能很好相符。
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  offset averaging
     Therefore, they serve as restricts to design these blocks at the circuit level. Secondly, based on the study of the resistor offset averaging network, a capacitance offset averaging network is designed. The differential non-linearity (DNL) and the integral non-linearity (INL) are reduced 70% by applying this capacitance offset averaging network.
     其次,研究了电阻误差平均网络的特性,设计了电容误差平均网络,分析可得此电路技术可改善电路微分非线性(DNL)和积分非线性(INL)达70%以上,和电阻误差平均网络对DNL抑制效果好不同,电容误差平均网络对INL的抑制程度是对DNL的抑制程度的2倍以上。
短句来源
  error averaging
     Passive capacitor error averaging is an inherently linear capacitor mismatch calibration technique for pipelined analog-to-digital conversion, but its conversion speed is halved because of double sampling and double transferring.
     无源电容误差平均技术是一种本质线性(Inherently Linear)的流水线模数转换电容失配校准技术,但其转换速度是传统技术的一半.
短句来源
     Capacitor error averaging technique for pipelined ADCs
     流水线结构模数转换器电容的误差平均技术
短句来源
     An improved capacitor error averaging technique is presented to make the conversion faster.
     为了提高速度,本文提出了一种改进的电容误差平均技术.
短句来源
     An improved capacitor error averaging technique was developed to make the conversion more efficient.
     为了提高性能指数,该文提出了一种改进的电容误差平均技术。
短句来源
     Capacitor error averaging is an inherently linear capacitor mismatch calibration technique for pipelined analogtodigital conversion, but its conversion is not very efficient.
     电容误差平均技术是一种本质线性(inherentlylinear)的流水线模数转换电容失配校准技术,但其性能指数(分辨率×速度与功耗×面积之比)并不理想。
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  “误差平均”译为未确定词的双语例句
     The registered precision error of the navigation was 2.5±0.9mm.
     导航引导的注册精度误差平均为 2 .5± 0 .9mm。
短句来源
     The 4th engine has phase look error of about 1/100 fringe in average in the case of continuous carriage motion and 1/36 fringe in maximum.
     4号机连续运动时的锁相误差平均为1/100条纹,个别的最大不超过1/36条纹。
短句来源
     In the layout design, gradient error and temperature error are compensated by the optimization of current sources sequences.
     版图设计利用梯度和温度误差的分布规律通过误差平均化的电流源阵列布局方案来避免误差积累.
短句来源
     The diameters decrease 20-30 μm after being finished. The roundness errors decrease about(5.13) μm and the cylindricity errors decrease about 11.36 μm.
     光整后,试件直径减小20~30μm,圆度误差平均降低5.13μm,圆柱度误差平均降低11.36μm.
短句来源
     It is exemplified that the mean absolute error of the estimation results via WNN network as proposed is 0.425%,while that via BP network is up to 3.1%.
     实例分析表明,提出的WNN网络的评价绝对误差平均为0.425%,而BP网络评价绝对误差平均为3.1%.
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  average error
For the RBF neural network model, which is more effective for monitoring weld quality than the others, the average error validated is 2.88% and the maximal error validated is under 10%.
      
In order to describe theP-V-T-x properties of a binary n-hexane-water mixture, the Soave-Redlich-Kwong formula is used (the average error is 3%, and the maximum error is 8%).
      
The average error of the predicted estimates, for all the models employed, falls into a range from 10.9 to 41.4% for 3-5 years.
      
The relative error in the calculations did not exceed 9.5%, and the average error was no higher than 3%.
      
The average error is ~10% during the entire period of measurements.
      
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  offset averaging
At the input stage, offset averaging reduces the input capacitance and the distributed track-and-hold circuits are proposed to improve signal-to-noise-plus-distortion ratio (SNDR).
      
In this work, offset averaging is optimized based on spatial filtering.
      
The residue signal goes to an 84-preamp array in which offset averaging is applied.
      
The quantizer consists of 15 main comparators with an additional six dummy comparators for offset averaging.
      
With regenerative preamplification, the output must be first reset and the offset averaging occurs dynamically.
      
  error averaging
A Single-Stage Direct Interpolation Multiphase Clock Generator with Phase Error Averaging
      
In addition, a phase error averaging circuit is used to correct interphase errors.
      
However, this must be preceded by the design of standard converters with improved resolution and circular error averaging.
      
A systematic error averaging 1.7 ng/L in the estimations of venous E could account for this difference.
      
A review of calibration and error averaging techniques is presented.
      
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Dipterex (0,0-dimetbyl-1-hydroxy-2,2,2- trichloroethylphosphonate) is polarographically active and can be reduced on dropping mercury electrode.Its polarographic waves have been observed in various buffers at different pH systematically,and subsequently a well defined cathodic wave is found with B-R buffer at pH 6.The concentration of Dipterex between 0.39~ 2.33×10~(-3) M is proportion.al to the height of wave. Its half-wave potential is shifted towards more negative value with increasing concentration within...

Dipterex (0,0-dimetbyl-1-hydroxy-2,2,2- trichloroethylphosphonate) is polarographically active and can be reduced on dropping mercury electrode.Its polarographic waves have been observed in various buffers at different pH systematically,and subsequently a well defined cathodic wave is found with B-R buffer at pH 6.The concentration of Dipterex between 0.39~ 2.33×10~(-3) M is proportion.al to the height of wave. Its half-wave potential is shifted towards more negative value with increasing concentration within the above linear range,E1/2=-0.613~ -0.654 V (vs S.C.E.) For determination,transfer 1~6 ml of 0.5% Dipterex aqueous solution into a 50 ml volumetric flask,and add 1 ml of 0.1% freshly prepared gelatin solution and dilute with B-R buffer solution of pH 6 to the mark.Mix well and pour a portion of this solution (equivalent to a concentration of 0.1~0.6mg/ml) into a polaro- graphic cell.Pass nitrogen for 15 minutes to remove the dissolved oxygen and determine polarographically with an applied voltage of 0 to-2.0V.The reproducibility of this method is satisfactory,with an average relative error below±1.5%.The presence of either chloral or DDVP (or both of them) below the ratio of 1∶6 and 1∶2 of Dipterex respectively does not interfere the result of the determination.

本文制定了于 pH 6 Britton-Robinson 缓冲液中记录极谱波测定敌百虫含量的方法,浓度在0.39—2.33×10~(-3)M 时与波高成正比关系,半波电位随浓度递增趋于较负数值,在上列线性范围内 E1/2=-0.613至-0.654伏(对饱和甘汞电极言);文内就主要杂质三氯乙醛及敌敌畏(DDVP)的干扰影响亦作了试验,并确定了允许限量。本法测定误差平均在±1.5%以内。

Analysis of synthetic fatty acids by gas chromatography with flame ionization detector is described.The samples were methylated first,and the fatty acid methyl esters were separated on columns packed with 20% Apiezon L(APL)and 20% poly-1,3-butandiol succinate(PBDS)under isothermal conditions at 240 and 200℃ respectively,and on column with 10% polyethylene glycol adipate(PEGA)using temperature programming method.The relative retention volume data obtained on APL column are consistent with those reported in literature.Quantitative...

Analysis of synthetic fatty acids by gas chromatography with flame ionization detector is described.The samples were methylated first,and the fatty acid methyl esters were separated on columns packed with 20% Apiezon L(APL)and 20% poly-1,3-butandiol succinate(PBDS)under isothermal conditions at 240 and 200℃ respectively,and on column with 10% polyethylene glycol adipate(PEGA)using temperature programming method.The relative retention volume data obtained on APL column are consistent with those reported in literature.Quantitative determinations were carried out on PEGA column at 150--210℃(heating rate 2℃/min),flow rate of nitrogen 127ml/min,and a technique based on the peak area normalization method without correction was used.The average error for the odd number fatty acids(C_9—C_19) which being used as standards was found to be±3.47%.Total acid value of synthetic fatty acids sample calculated from the quantitative results is in good agreement with that of chemical determination.

本文叙述了测定合成皂用脂肪酸的气相色谱法,着重饱和脂肪酸的定量。用作标准的奇碳脂肪酸(C_9—C_19)系自行合成的,色谱柱和聚酯类液相亦为自制,方法为先将标准酸和皂用脂肪酸试样进行甲酯化,先后在Apiezon L柱(240℃)和聚1,3-丁二醇丁二酸酯(PBDS)柱(200℃),以及在聚乙二醇己二酸酯(PEGA)柱,于两种翟序升温的条件下进行定性分离,在Apiezon L柱上得到的保留数据和文献查得值核对基本一致。定量系采用(PEGA)柱,在柱温150—210℃,2℃/分,N_2流速127毫升/分的条件下,在氢焰离子化鉴定器上,以不加校正峯面积百分比定量。结果表明,对标准酸的分析误差平均为±3.47%,并测得了上海制皂厂生产的合成皂用脂肪酸含有C_8—C_21共14个组分,按照定量结果计算的酸值和化学法测得的数据相比,结果能很好相符。

Under the assumption of u - u1zn,ky=ky(x,z),kz=kz(x,z) an amalytical solution of a three dimensional turbulent diffusion equation of a stationary continuous point source with the consideration of the deposition of the pollutant on the ground is obtained. The solution contains some parameters depending on the atmospheric stability. Using the experimental data of the ground-level source diffusion in the PPG, we empirically determined these parameters which are suitable to the small-scale diffusion under various...

Under the assumption of u - u1zn,ky=ky(x,z),kz=kz(x,z) an amalytical solution of a three dimensional turbulent diffusion equation of a stationary continuous point source with the consideration of the deposition of the pollutant on the ground is obtained. The solution contains some parameters depending on the atmospheric stability. Using the experimental data of the ground-level source diffusion in the PPG, we empirically determined these parameters which are suitable to the small-scale diffusion under various atmospheric stabilities ranging from the moderate unstable condition to the moderate stable one Except a few cases, the relative erros of the concentration magnitude between the evaluated and the measured valuse are within 200% on the average. Finally, the effects of the deposition on the concentration field are also evaluated for various deposition velocities.

本文在u=u(z),k_y=k_y(x,z),k_z=k_z(x,z)及考虑下垫面对浓度场有清除作用的前提下,求解了定常连续点源三维湍流扩散方程,得到浓度场的分析解。解中含有随稳定度而变的参数。应用Project Prairie Grass的地面源试验资料,经验地定出了从中等不稳定到中等稳定时适用于小尺度扩散的有关参数。将本模式用来计算上述试验中的浓度,除较少的例外情况外,个例的计算浓度与实验浓度的相对误差平均在200%以内,并对误差原因进行了讨论。最后对下垫面影响的不同大小计算了清除作用对地面源浓度场的影响。

 
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