试验误差

The structure formation factors S were calculated from 19 groups of experimental data of a new high strength toughness steel s on the basis of the empirical electrionic theory of solids and molecules, and 16 groups of which selected randomly were applied to train with BP network of artificial neural networks and other three groups were used to examine.

根据固体与分子经验电子理论计算了 19组新型高强韧钢的试验数据所对应的结构形成因子 S值，从中随机抽取 16组数据，应用人工神经网络的 BP结构进行训练，用其余 3组数据进行检验，其平均训练误差为 0 。

H.; Die neue Oberleitungsbauart Re250 der Deutschen Bundesbahn fur hohe Geschwindigkeiten (The new overhead contact line type Re250 of German Railway for high speeds).

运行试验结果的评价已经表明如果设备安装在规定的误差范围内，容易实现理想的接触质量。

In order to verify the validity of the numerical results, the numerical simulation results are compared with Lader's experimental ones.

结果表明计算和试验结果吻合良好，各种工况和配重条件下计算结果相对误差都在15%以内。

Meanwhile, we evaluated parameters involved in the models for Morchella growth, EPS production and substrate consumption.

结果表明， Logistic方程与试验数据拟和情况更好，并给出了羊肚菌液体深层发酵的动力学模型具体形式，经验证，模型的平均误差为5.8%。

During the period of two theodolites taking part in real-time intersection calculation, the nonplanar intersection method is the special case of this method, so this intersection method is very effective.

仿真试验结果表明，与异面交会法相比，此方法产生的引导数据平滑、无波动，二者的定位误差均小于0.18m，能满足电视经纬仪多站交会定位的要求。

It is theoretically demonstrated that the influences of terrain height and orographic heterogeneity are important on the flux of surface long wave radiation over a large scale grid area.

摘要从理论和数值试验两个方面证明地形的非均匀性对网格区地面长波辐射通量的计算有重要影响，海拔高度场的区域平均值及其变差系数是影响网格区地面长波辐射通量的主要因素，仅仅用地表均匀假定下的区域平均参量（如平均海拔高度和平均温度）所计算的网格区地表有效辐射通量值与其真实值之间存在着一定的误差。

It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function.

试验数据表明，本文提出的经验公式比传统的直线式和幂函数式经验公式的线性相关系数更高，且平均相对误差和相对标准差都低。

In this method, titration with standard solution of perchloric acid in glacial acetic acid was used.

建立了在非水条件下快速测定食品中糖精钠的方法，以冰乙酸为溶剂，用高氯酸的冰乙酸标准溶液滴定，经过反复试验，相对标准误差0.92%~2.93%，加标回收率97.13%~100.3%，结果表明；该法定量分析准确，精确度高，可靠性和重现性好。

We designed Latin hypercube experiment; conducted deterministic simulation analysis for missile accuracy; designed Latin hypercube experiment and made certainty simulation analysis for missile accuracy, thus obtained the simplified functional expressions of missile's impact point deviation and error coefficient of each guidance instrument; built rapid calculation formula of prelaunch compensation quantity.

设计了拉丁超立方试验，并对导弹精度进行确定性仿真分析，得到导弹落点偏差与各制导工具误差系数的简化函数关系式，建立了导弹射前补偿量的快速计算公式。

The specific contents are as follows:Firstly, the causes of energy balance method result has some errors is analyzed. Then energy balance method is improved from the following aspects: the wind power input, the conductor self-damping, the damper dissipated power and vibration solution of Stockbridge dampers-conductor coupling system. So that improved energy balance method can consider more influential factors to enhance accuracy.

本文对输电线的微风振动控制和次档距振荡进行了多方面的研究，主要包括能量平衡法的改进、防振锤-输电线耦合系统的振动求解、阻尼线的耗能计算理论、微风振动的室内模拟试验、分裂导线微风振动的精细计算理论、多分裂导线的最大次档距和阻尼间隔棒优化布置等几部分，具体如下：首先分析了微风振动传统计算方法能量平衡法计算误差较大的原因，分别从风能输入功率、输电线自阻尼功率、防振锤消耗功率、输电线-防振锤耦合体系的振动求解等方面，对能量平衡法进行了改进，使能量平衡法可以考虑更多的影响因素以提高求解精度。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。