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试论访谈法的特点
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S小学刚结束了本学期的以“课堂理答”为主题的数学课堂观察教师培训，校领导想就培训效果对参与培训的教师做一次访谈。请根据以上情境设计一份访谈提纲。
Heat, either moist or dry, is one of the most commonly used techniques but this cannot be used for any heat labile materials such as proteins and some plastics.
It is therefore essential that the methods used ensure that there is no or minimal contact between the worker, and others in the laboratory, with the microbe, either directly or as aerosols.
It is therefore essential that the methods used ensure that there is no or minimal contact between the worker, and others in the laboratory, with the microbe, either directly or as aerosols.
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