| 1. | In the second quarter of this century, enthusiasm for the observation approach began to wane .
在本世纪的第二个二十五年中，对观察法的热衷开始减弱。 |
| 2. | In the second quarter of this century, enthusiasm for the observational approach began to wane .
在本世纪的第二个二十五年中，对观察法的热衷开始减弱。 |
| 3. | Dark ground method of observation
暗场观察法 |
| 4. | A pervasive problem is the vulnerability of observational data to distortions and biases
另外，观察法最常见的问题为资料容易被曲解及有偏差。 |
| 5. | The main methods in the study are questionnaire , interview , observation and object gathering
研究中采用的主要方法有问卷调查法、访谈法、观察法和实物收集法。 |
| 6. | Standard test method for measurement of metal and oxide coating thickness by microscopical examination of a cross section
用横断面显微观察法测定金属及氧化层厚度的标准试验方法 |
| 7. | 2 . we adopted the method , direct observation to study wild great bustard rationly for the first in china
2 、在国内首次尝试利用直接观察法对野生大鸨的各种行为进行定量化研究。 |
| 8. | However , shortcomings of the observational approach cannot be overlooked , includinge ethical difficulties and reactivity effects
然而，观察法却有伦理上的困难和感应效果的缺点。 |
| 9. | This study discusses measurement issues related to observational methods and introduce strategies to deal with these issues
本文的目的乃在讨论观察法的常见议题以及处理这些议题的方法。 |
| 10. | Research methods used in this study include literature review , face - to - face interviews , and field observations
本文采用文献研究法、访谈法、实地观察法等研究方法，理论研究与实地调查相结合。 |
