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Therefore, researching on the influence of effluent for vibration property of the sucker rod string has important reference value for rational configuration interval design of sucker rod centralizer, and also has important significant theoretical actual meaning on the simulation of the dynamic parameters and optimizing the running of polymer holes.

因此，研究聚驱抽油机井产出液对抽油杆柱振动特性的影响，对于指导扶正器配置间距设计、完善聚驱抽油机井动态参数仿真与运行优化技术都具有重要的理论和实际意义。

Their research to find the best centrifuge operating parameters and application of providing a reference.

他们的研究为寻找离心机最佳的运行参数和应用提供了参考。

By reference to its CENTUM CS1000 control system for centralized management, decentralized control.

通过引用CENTUM CS1000控制系统对其进行集中管理，分散控制。

OBJECTIVE: To screen sensitive indexes for functional treatment of class Ⅱ division 1 malocclusion from common cephalometry items to provide reference for clinical diagnosis and treatment.

目的：从常用的头影测量项目中，筛选出对Ⅱ类错的功能矫治效果起主要作用的评价指标，为临床诊治提供参考。

For the purpose of providing some reference to the researchers, studies of microchemical structure of cephalopod statoliths were reviewed.

随着鱼类耳石微化学研究及应用的日趋成熟与完善，头足类耳石的相应研究也逐渐兴起。

The above-mentioned experiments and theoretical analysis provide reference in application of ceramic materials for engineering technical personnel and they also lay a foundation for the application of ceramic materials in mechanical engineering.

上述试验和理论分析，为工程技术人员在工程实际中应用陶瓷材料提供了参考依据，也为本文在机械工程中应用陶瓷材料奠定了基础。

ABSTRACT:On the basis of the data of over 2500 individual cases of homosexuals and their family backgrounds and taking the social investigation of 254 case of homosexuality cured by Nanjing Cerebropathy Hospital from 1987—1993,the preliminary analysis and study of the stages of growth during childhood of homosexuality in Shanghai and other places organized by Liu Dalin and other related studies by other scholors of our country for reference,the author has put forward that durmg the growth of childhood,bad environments,family backgrounds and the mistakes of sex education at early stage are the most important reason of forming homosexuality.

提要，作者基于南京脑科医院自1987～1993年接诊的同性恋2500余人的个案资料，对同性恋者幼年的成长过程和家庭背景进行了初步分析和研究，并参考刘达临组织的上海等地254例同性恋社会调查情况及国内其他学者的有关研究，提出幼年成长环境、不良的家庭背景和早期性教育的失误是我国同性恋形成的最重要的原因。

Saturated absorption D2 lines of cesium atoms have been adopted as a frequency reference and the nonlinear spectroscopy.

为避免产生共振，充分吸收铯元素的D2线作为频率参考及非线性光谱研究。

The whole industrial chain and branch chains of circular economy have been planned for Zhenhai chemical park. The branch chains consist of ethane chain, C_1 chain, HC1 chain, H_2chain, NH3 chain and S chain. The concept of equivalent pollutant emission, E, has beenproposed and a reference line based on equivalent pollutant emission has been given and applied to the primary appraisal for Zhenhai chemical park. The whole chain and branch chemical industry chains have been also planned for ZJC group company, which include the industrial chain containing fluorine, the industrial chain of basic chemicals and the industrial chain of petroleum chemical industry.

本文对镇海化学工业区的工业链构建进行了可行性分析；完成了园区工业链的整体规划设计，和包括乙烯工业链、碳一工业链、HCl工业链、H_2工业链、NH_3工业链、S元素工业链在内的6条分链的设计；提出了污染排放当量E_t~′的概念，并将其应用到园区工业链招商的初评，制定了入园参考线；本文在对ZJC集团公司发展现状分析的基础上，根据其物质流和能量流的分析，进行了工业链的总体设计，并对氟化工产业、基础化工产业(包括以合成氨为代表的煤化工、以氯碱生产为代表的盐化工以及硫酸、电石等产业)和石油精细化工产业完成了分链设计，进行了分链的分析，提出了建议。

The chain letter is a facetious reference as so many of us have been exposed to them by now and know they are illegitimate scams.

连锁信是一个玩笑的范围，因此不少人已经暴露出他们的现在和知道他们都是不合法的陷阱。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。