Aiming at this goal, a systematic investigation and study was carried out on following aspects.
围绕这一目标，本研究对以下方面进行了全面系统的考察和研究。
Urged by these questions, I have made a systematic investigation and study over the risk disposition issues of securities companies.
带着这些疑问，笔者对证券公司的风险处置工作进行了比较系统的调查研究。
In this study, systematic experimental investigation was carried out on single-phase fluid flow and vapor-liquid two-phase flow heat transfer in silicon microchannels.
本文主要针对微流体在硅基微通道内的单相和汽液两相流动与传热进行了系统的实验研究。
In order to save the problem, it is necessary to make a systematic and thorough investigation and study.
要解决问题，还须做系统而周密的调查研究工作。
The study has stayed in the taxonomy and horticulture research since long times ago, but the ornamental crabapple resources lacks systematic collection and investigation.
长期以来对海棠的研究工作停留在经典植物分类学和园艺学研究方面，而对观赏海棠品种资源缺乏系统的调查和整理研究。
The research was carried out by methods of literature study, social investigation and systematic analysis.
通过文献资料研究法、社会调研法、系统分析法等方法进行研究；
The research was carried out by methods of literature study, social investigation and systematic analysis.
通过文献资料研究法、社会调研法、系统分析法等方法进行研究；
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