查询词典 allowance error

The system of blower performance auto-testing improves the stability of testing process, avoids the error of reading, the error of calculation and the error of result causing by relative dates can not be recorded at the same time, the precision and efficiency of testing is largely improved.

整个系统具有界面友好、操作方便、功能齐全等优点，试验结果表明研制基于虚拟仪器的风机状态自动测试系统，增加了试验过程的稳定性，避免了人为的读数误差、计算误差以及相关数据不能同时记录所引起的试验结果的偏差，提高了测试精度和试验效率。

A Type II error, also known as an error of the second kind or a false positive, is the error of accepting something that should have been rejected.

错误2，接受本应该被拒绝的东西。【www.irich.com.cn交易之路投资经验荟萃

It is different from traditional concept that the concept dynamic roughness includes influence of model error, truncation error, observation error and so on.

此时的糙率与传统的概念有明显的不同，它包含了模型误差，截断误差，观测误差等各方面的综合影响。

Based on the concept of antenna near-field measurement and the theory of plane wave spectrum, the theory of plane near-field measurement and error analysis are introduced, two errors of plane radiation near-field measurement are discussed in detail: the probe positioning error and the truncation error of finite scanning.

本文从天线近场测量的基本概念出发，以平面波谱理论为基础，介绍了平面近场测量理论及其误差分析方法。

According to the evaluation models of form error,the probability distribution types of form error are researched,and the uncertainty of measurement result of form error is estimated with them.

3根据形状误差的评定模型，研究了形状误差的概率分布类型，并据此对形状误差的测量结果不确定度进行估计。

The results of variance and residual error showed that the error was in the range of kinetic toleration. and the experiment did not have system error.

对上述模型进行了方差和残差分析，其误差在宏观动力学研究允许范围内，试验无系统误差。

Block recursive model ; Axiom of error ; Variable linear system error ; Constant system error ; Variance analysis

块递归模型；误差公理；可变线性系统误差；恒定系统误差；方差分析

The relation of the surface shape error to f-number and relevant spherical radius was achieved according to the reducing analysis model ignoring the local f-number. Two kinds of rhombic prism model are established by ZEMAX. According to the simulation results from ZEMAX, the correctness and limitation of the former methods are proved and analyzed. The results are used to analyze the effect of the surface shape error of the rhombic prism on parallelism of the emergent beam. The assignation plan of the surface shape error for each working surface is presented.

根据忽略局部光圈数的简化分析模型，获得面形误差对应光圈数与相关球面半径的关系，通过几何处理方法，求得一定面形误差对应的球面半径与平面倾角的关系，将斜方棱镜的工作面倾斜一定角度，运用折射定理，将具体面形误差转化为相应平面的倾斜角度，得到出射光相对于理想光轴的倾斜角度及其关系式，并在ZEMAX中建立斜方棱镜的两种模型。

To ensure that the reaction force and anti-wall concrete pedestal construction quality and design requirements for reaction time pouring concrete pedestal捣成type, reaction formation pedestal error of less than ± 2.5mm; reaction wall flatness error of less than ± 2.5mm, reaction force wall verticality Gradient error is less than 10mm, anti-power wall concrete positive effects for the fair-faced concrete.

确保反力墙与反力台座的混凝土施工质量，设计要求反力台座混凝土一次浇捣成型，反力台座平整度误差小于±2.5mm；反力墙平整度误差小于±2.5mm，反力墙垂直度渐变误差小于10mm，反力墙混凝土正面为清水混凝土效果。

The estimation errors, including the finite difference approximation error, the instrumentation channel mismatch error, and the error caused by ambient noise, are studied systematically.

文中基于声信号的空间互谱分析，给出了声强向量阵的定向原理，并系统分析了其定向误差，包括有限差分误差、通道失配误差和环境噪声引起的误差。

According to our present broadcasting situation,the thesis proposes using new technology to update and reform the present HFC. It also suggests broadcasting using self-advantage and arranging EPON in order to win the supermarket.

论文从我国广电的现状出发，结合实际，积极倡导采用新技术更新、改造我国现有的HFC网络；倡导广电现阶段利用自身优势，部署EPON网络来赢取市场。

A new general kinetic equation was derived in which the effect of the removal of condensation water was taken into account completely, and was applied to the polyesterification kinetic study of AA/HPHP and AA/NPG. It was found that the reaction order of self-catalyzed polyesterification was not constant. For these polyesterifications, the reaction order was 2.5 at a low temperature, while 3.0 at a high temperature.

考虑缩合水的排除对反应体系的影响，用体积浓度单位推导出一个新的聚酯反应总包动力学方程，并应用到AA/HPHP和AA/NPG两个聚酯化反应的动力学研究中，研究发现，自催化聚酯反应的反应级数并不是固定值，对于AA/HPHP和AA/NPG两个聚酯化反应而言，低温时反应级数为2.5，高温时反应级数为3.0。