qualitative observation

Qualitative data was conducted for 10 months based on participant observation, in-depth interview , and documentation.

质性资料之蒐集以教室观察与访谈为主, 期程长达十个月.

Qualitative research included classroom observation, interviews, videotapes and audiotapes to compensate and examine research results.

定性的研究包括课堂观察，访谈和录音录像，对于定量研究结果进行补充。

In order to further the fundamental understanding on the vapor-liquid-solid system with boiling flow, qualitative studies by experimental observation on boiling evaporation in the system with external natural circulating flow were carried out in a transparent tube heated by electricity.

在建立的单管透明膜电加热式气液固三相流自然循环沸腾蒸发装置系统上，分别以水和中药更年安浸取液为液相工质进行了三相流沸腾传热的可视化研究。

In the traditional method of air-information fusion observation sentry data is usually taken qualitative analysis.

传统空情数据融合时对观察哨数据多采用定性判断方法,难以真实体现数据的量化作用.

This research mainly employs the methods of qualitative analysis and education experiment ( survey test). Weizhou Island, a relatively close district of folk culture, is selected as the location for observation and investigation.

研究工作主要采用了质的研究方法与教育实验（调查测试）方法，选择了一个相对封闭的民俗文化区域&涠洲岛作为观察和研究的场所。