查询词典 in course of time

Thirdly, in chapter 4, theoretical analysis for the method of knowledge acquirement, the method of knowledge denotation, the method of knowledge inference, the method of knowledge explainer during the course of building fault diagnosis expert system of elevator controller.Fourthly, in chapter 5, theoretical analysis for the function of database in the fault diagnosis expert system, and the course of database logic design, then built the table by E-R model of RDBMS.

通过对数据库系统的功能分析和逻辑分，用关系型数据库的ER模型建立了电梯控制系统各实体之间的关系，建立了关系数据库；接着讲述了对该数据库的管理和维护。

In 1978, the Japanese education authority discovered the teaching at primary school has the orientation to overemphasize on the cramming of knowledge, so they began to expurgate and eliminate properly and comprehensively some content of the course and reselect and revise the music course content in order to improve its defects.

三、日本於西元一九七八年教育主管机关，发现国小教育有偏重知识之灌输倾向，为改善此缺失，全面适当删减课程内容，其中音乐课程内容亦重新精简修订。

In course of continuing of sedimentary,formed of fan delta is increaseing out of sync in plane and rate of stretch is larger than rate of elongation in the course of declining of dat...

辫状河道的迁移摆动是导致扇三角洲演化的根本内在原因，而构造运动的强度与辫状河道的迁移摆动速率呈近似正相关关系。

First of all, this paper introduces the whole design project and interrelated knowledge about Non-destructive detection, ultrasonic detection, and Phased-Array ultrasonic detection Then the paper depicts the principle of Phased-Array focus and abstracts a set of math model and feasible arithmetic on the base of the real parameter of the system. Put forward several problems that exist during the course of system development and program. Introduce some measures of distinguish that are often used in non-destructive detecting and echo wave crest. Then I depict one of the measures in detail that used in the course of non-destructive detection, which is the way of distinguishing whether defects exist or not. Then provide part core program to realize it. This paper also provides main flow chart through analyzing how main control program controls different parts to make the whole system more effective.

然后在文中以较大的篇幅，描述了相控阵聚焦的原理，并根据该系统的实际参数，抽象出一套数学模型和可行的算法，在此基础上提出了在系统开发过程及编程实现过程中存在的一些问题；介绍了在无损检测中缺陷的分类和对回波峰常用的识别方法，详述了系统开发过程中使用的其中一种识别方法，即判别是否存在缺陷的算法，并给出实现之的部分核心程序；详述主控程序如何控制各部分并协调各相关软件的工作，使整个系统发挥最高效能，并给出主要设计框图和程序。

The paper introduces the magnetic circuits and their relatives in electric Machinery Course,including the ferromagnetics, law of magnetic circuit , law of electromagnetic induction and the inductance reactance, from the need for the course teaching.

本文从电机学要求出发，介绍磁路及相关内容，它主要包括铁磁物质、磁路定律、电磁感应定律和电感的电抗等问题。

PTA is production gets together fat fiber and the basic material of the course of study that pack, it is the main raw material of chemical fibber course of study.

PTA是生产聚脂纤维和包装业的基本材料，是化纤业的主要原料。

The Yellow River course shifts and subdelta formation are analyzed first, and the finger-shaped geomorphology system caused by the river course shifts is also analyzed systemically. The environmental factors such as meteorology, hydrology, DEM , vegetation, soil, soil salt content, and exploitation are all described and discussed.

综合分析了1855年以来黄河流路变迁和亚三角洲的发育演化，以及在此控制之下形成的三角洲指状骨架地貌体系；对黄河三角洲的气象、水文、地形、植被、土壤、含盐量等环境背景特征以及人类开发活动进行了深入探讨和分析。

One of the course instructors, 87-year-old Flight Lieutenant Paddy Raine, a veteran of Bomber Command in World War II, said the academically bright bunch on the course "were very different from your normal" National Serviceman and enjoyed a more relaxed regime.

瑞尼是当时一门课程的讲师之一，他曾是二战期间轰炸机指挥部经验丰富的老兵。他说，成绩好的那群人"和普通的服役士兵非常不一样"，他们喜欢更宽松的环境。

That the course character "university Chinese " is to set up in order to train a professional training student humanity quality one door comprehensiveness basis course, has appreciation of the beauty , ideological content soft and floury and stronger than broad knowledge.

大学语文》是为了培养专科学生人文素质而设立的一门综合性基础课程，具有较广的知识面和较强的审美性、思想性。

Of course, I said I would go with my mother; and of course they all cried out at our foolhardiness

我自然说我要和母亲一起回去，而村里的人也自然纷纷叫嚷劝阻，说我们昏了头。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。