查询词典 accuracy grade

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

Product quality and accuracy in high-grade rating for the main objective of import substitution, product performance, accuracy, longevity and reliability of indicators are in the domestic advanced level as the standard for quality control.

产品质量和精度等级以中高档替代进口为主攻目标，产品性能、精度、寿命和可靠性指标均以国内先进水平为标准进行质量控制。

International tolerance grade: a series of tolerances that vary with basic size to provide a uniform levle of accuracy within a given grade.

公差符号：符号给出了公差与配合的技术要求，基本尺寸是一个数字，然后跟着表示基本偏差的字母和表示 IT 等级的数字。

HLG of the 2nd grade acquired higher accuracy than LLG, and no significant difference was found either between HLG and MLG or between MLG and LLG; HLG of the 3rd grade had higher accuragy than both MLG and LLG, and no significant difference existed between MLG and LLG.

其中，在准确性方面，2年级高组高于低组，而高组与中组、中组与低组间均无显著差异，3年级的高组高于中组和低组，而中组与低组间无显著性差异。

This thesis chooses Grade 7, Grade 1 of high school and junior as subjects, it proves that the dual-processing theory can make an effective interpretation of individual and age differences in the perspectives of content effect, logic effect, time pressure, self-confidence assessing, logic training and individual cognitive difference according to the different characteristics of the two systems. The research concludes:(1) The subjects in the three grades are all affected by content. The accuracy of the four inferent types about abstract and concrete material increases with age.

为验证双重加工理论对条件推理的个体差异和年龄差异的解释力度，本论文选取初一、高一、大学三个年龄段近1300名被试，根据两个加工系统的不同特点，从内容效应、指导语效应、时间压力、自信评价、逻辑训练以及认知的个体差异——工作记忆容量等角度对条件推理进行了发展性研究，研究结果显示：(1)随着年龄的增长，三个年级被试的抽象和具体材料条件推理四种推论的正确率均增长。

Thirdly, it analyzes and studies in detail Surpac mechanism and the relevant concepts on constructing the model of mineral deposits and mining engineering systems according to the modeling procedure and the actual conditions of Jinchuan"s mines. Based on these:Lit points out some differences between the western countries and China in the practice of the geological data record, explores the inputting data on computers performed by more people at the same time and the method to improve constructing the data-base and finished the data-base of Jinchuan mineral deposits;2.It puts forward the steps and flow chart to construct the solid model and brings forward the scheme of "first individual then whole to set up Jinchuan mineral deposits geological model, summarizes some experiences for constructing the complicated geological ore body of the high accuracy: add control lines, add auxiliary demarcation lines +control lines, the operation of intersection, cross and incorporation between solid bodies and plane and section combination. The above-mentioned methods applied to construct the mineral deposits solid models of four mine areas in Jinchuan; 3.lt studies and presents the detailed flow chart of constructing block and grade model, analyses the workable scheme in setting up the block and grade model of main ore body for Jinchuan mineral deposits and also sets it up.

接着，按建模流程并结合公司矿山实情，详细研究、分析了Surpac构造矿床模型和采矿工程系统模型的机理、有关概念，在此基础上：(1)指出了西方国家与我国在地质数据记录习惯方面存在的一些差异，探索出多人多机同时录入、提高建库效率的方法，建立了金川矿床地质数据库；(2)研究并提出了构造实体模型的步骤和流程图及&先分后整&建立金川矿床地质体实体模型方案，总结出建立高精度复杂地质体模型几点经验：添加控制线法、添加辅助分界线+控制线法、实体间的交、叉、并运算法及平剖面图联合法，建立了金川矿床四个矿区主矿体的实体模型；(3)研究并提出了建立块模型、品位模型详细流程图，分析了建立金川矿床主矿体块模型和品位模型的可行方案，建立了金川矿床主矿体的块模型和品位模型。

Results 258 cases of lct by the examiner, 232 cases of normal or inflammation, 26 patients were abnormal smears, ascus 13 cases, asch 1 cases, lsil 8 cases, hsll 2 cases, scc 1 cases, agc 1 cases, total positive case detection rate was 10.1%.26 cases of abnormal smears patients were carried out under colposcopic biopsy, normal or inflammatory were two cases (7.69%), cin ⅰ grade 12 cases (46.15%), cin ⅱ grade in 8 cases (30.77%), cin ⅲ grade 4 cases (15.38%).

结果 258例lct受检查者，正常或炎症232例，共发现异常涂片26例，其中ascus 13例，asch 1例，lsil 8例，hsll 2例，scc 1例，agc 1例，阳性病例总检出率10.1%。26例异常涂片患者，均进行阴道镜下活检，正常或炎症者2例(7.69%)，cin ⅰ级者12例(46.15%)，cin ⅱ级者8例(30.77%)，cin ⅲ级者4例(15.38 %)。

Surrounded by a lot of seventh grade friends asdic, remember that a particular tea in the company building, the awareness of one's friend next door, one began to think she was just graduated from seventh grade health, and she proudly said with a smile:"sister However, six health it ", I said to her:" The students I was in the sixth grade."

身边有不少七年级朋友的asdic，记得某次在公司大楼的茶水间，认识一位隔壁公司的朋友，一开始以为她是刚毕业的七年级生，她很得意笑著说：「姊姊可是六级生呢」，我对她说：「同学我也是六年级的」。

Currently, domestic production has successfully developed a PWR Island Grade Ⅰ electric valve, check valve; Nuclear Grade Ⅰ electric bellows globe valve, fast breeder reactor using nuclear electric bellows Ⅱ grade cut-off valves with sodium high level of nuclear valves.

目前，国内已成功研制生产了压水堆核岛核Ⅰ级电动闸阀、止回阀；核Ⅰ级电动波纹管截止阀、快中子增殖反应堆用核Ⅱ级电动波纹管钠截止阀等具有较高水平的核级阀门。

Thirdly, Lower-grade plants such as lichen, bryozoan etc. begin to grow. Along with the accumulation of living beings is going more and more, the amount of organic matter in the parent material forming soil is going more and more, Then higher-grade plants gradually replace lower-grade plants, and through strong and extensive root system, the dispersive and soluble nutrition can be concentrated. After the death of organisms, and through decomposition of microbes, one part of the remains of the organisms becomes nutrients for plants, and another part of the remains turns into humus.

第三步，地衣、苔藓类低等植物开始生长，随着生物的积累作用越来越大，成土母质中的有机物数量不断增加，最后高等植物逐渐取代了低等植物，通过强大的根系把分散的可溶性养分集中起来，等到这些生物死亡之后，它们的残体经过微生物的分解作用，一部分成为后来植物所需的养分，另一部分变成了腐殖质。

Hitler. Two world wars and one...

希特勒 两次世界大战和一。。。

A platelike part,organ,or structure,such as that covering some reptile s.

板形器官片状的零件，器官或结构，例如覆盖在某些爬行动物身上的鳞甲