To make clear operation rules & character ist ic of different category fans series, this study select "Exhaust characteristic o."
为了弄清异类风机串联时的性能特点和运行规律，本课题选择“横流风机与离心风机串联排气特性”为研究的对象。
This thesis will select this topic to study, because this topic has practical significance to the reality.
本文选择对这一课题进行研究，有着重要的现实意义。
Therefore, there is not only the theoretical significance but also the practical significance to select this subject: Study on the Questions of Rural Land Transference.
因而本文选择我国农村土地流转问题研究这一研究主题，不仅具有理论意义，而且还有特别的实践意义。
This paper USES the method in the study of power transformer optimum design. The method to select the control parameters of the algorithm is introduced in detail.
将遗传退火算法用于电力变压器优化设计问题的研究，介绍了算法实现过程中各种参数的选择方法并给出了具体算例。
Therefore, this conclusion should be taken into account when we study how to select one circulation pump with reason in a hot-water supply system.
管段流量与终点水温的关系，是热水供应系统中循环泵选择计算研究的一个重要理论依据。
On this basis, select crude oil of typical heavy oil Wells was orthogonal experimental study and single-factor experiment.
在此基础上，选择了典型油井的稠油进行了正交实验研究与单因素实验研究。
This study used questionnaires, select 800 postgraduate from the Shanxi University, Shanxi Normal University, Southwest University and Jiangsu University to research.
本研究采用问卷调查法，选取山西大学、山西师范大学、西南大学和江苏大学四所高校的800名研究生进行研究。
This paper attempts to find a way through the study of the above to select the most suitable building to maintain the structure.
本文试图通过研究以上内容寻求如何选择最适宜的建筑维护结构。
In this study, Changsha, 20 years old to 38 years 160 pairs of young couples (a total of 320 respondents) conducted a questionnaire survey, and select the 20 cases surveyed in-depth interviews.
本研究在长沙市以20岁- 38岁160对青年夫妻(共320个调查对象)进行问卷调查，并从中选择20个调查对象进行深入的个案访谈。
Based on this study, formulae and design charts are provided to select readily an economical depth of unequal-flanged steel girders.
根据研究，提出了迅速选择不等翼缘钢梁经济梁高的公式和图表。
To study improving the factor's Level of Kushen Pian core tablets's hardness by mathematically statistical method . This method help us select the best productive process.
本文采用数理统计学的方法，研究了提高苦参片基片硬度的各种因素，找到了最佳工艺路线。
In view of this, this study based on the Shanghai Gezhi Middle School, select a high-grade class of 354 people, school-based physical education curriculum development;
有鉴于此，本研究立足于上海市格致中学，选取高一年级354人为实验班，进行体育校本课程开发教学；
Meanwhile this paper also discussed how to select the study region.
同时，对如何合理选择研究区域也作了一些讨论。
The sample of this study if the journals of Education Research (1979-2001), the author select two directions :"subject-questions" and "education category".
本文的研究样本是《教育研究》杂志（1979-2001），选取两种分类框架：“学科-问题”和“教育类别”框架对研究主题进行分类。
In allusion to the production craftwork problem of Jiexiu coal select factory, this paper make a concrete study.
对介休选煤厂生产工艺存在的问题进行了具体的研究。
Conclusion This study has significance in helping select antimicrobial agents for the treatment of PA-induced infections, and provides useful information for the control of PA-induced infections.
结论通过本次调查结果可以指导临床治疗铜绿假单胞菌感染的药物选择，同时有助于了解和控制铜绿假单胞菌引起的院内感染的流行情况。
To select suifable wmterial of fistula and fixing form, and to keep fistula us6d in longer period, this study employed 6 cattle with 3 kinds of fistula, and observed bile now for 22 days.
选黄牛6头，用不同的手术安装方法分别安装了3种瘘管，观察了22天胆汁流量情况及瘘管存放情况。
Structured as follows:First, this study reviewed the relevant theoretical research, select the appropriate model to simulate the economy.
结构如下：首先本文对相关的理论进行综述研究，选取合适的模型来模拟经济。
In today's China, the research and development about customer satisfaction are in the initial stage, this paper select colleges and universities in Changchun area as a study.
如今中国顾客满意度研究处于初始阶段，本文选择长春地区高等学校作为研究对象，对此课题进行探讨性研究。
In this paper, we select controllable reactor based on magnetic flux adjustable as our research object, study its application in reactive power compensation.
本文我们以基于磁通控制的可控电抗器作为研究对象，研究它在无功补偿中的应用。
This study showed that in vitro systems establish, transformed systems establish, the choiceness hairy root lines select and the optimal culture condition of hairy roots systems establish.
主要从以下几个方面进行研究：离体培养体系的建立、遗传转化体系的建立、优良毛状根系的筛选、毛状根最佳培养条件的建立。
This study can help instructors to select suitable online synchronous recording tools, then get better recording outcome, and finally improve the instructional quality for online learning.
研究结果有助于教学者选择合适的线上同步教学录制工具、以获得较好的录制效果，进而提升网路学习之教学品质。
Second, select the right time and grasp it , because in this period of time your children can study effectively.
第二，选准时机并抓住，因为这段时间里孩子的学习效率高。
In order to improve the recovery factor of block Zao1219, surfactant study has been carried out to select optimum surfactant for this fault block.
为了提高枣1 219断块的采收率，开展了表面活性剂种类筛选研究，优选出适合该断块的表面活性剂。
The results showed that temperature of the exit of the distillation furnace is the most key factor. This study has provided references for technicians to select technology parameters.
结果表明炉出口温度是最关键因子，为工艺员制定工艺参数提供了依据。
The results showed that temperature of the exit of the distillation furnace is the most key factor. This study has provided references for technicians to select technology parameters.
结果表明炉出口温度是最关键因子，为工艺员制定工艺参数提供了依据。
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