methods of observing state of an illness病情观察的方法 direct observation methods直接观察法：利用感觉器官观察病人。在一接触到病人时就需作视诊，其次为听诊、触诊及叩诊。
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Descartes argues that through direct observation methods, one can discover universal laws from specific experience and th at the discovery process implies certainty.
笛卡尔认为，通过直观方法可以从经验的个别中发现一般，而且这个发现过程是必然的、确定的。
Methods We compare and analyse the result of direct smears observation.
方法：用涂片直接观察结合革兰氏染色与培养结果进行综合分析。
Several morphological analysis methods of filamentous microorganisms such as direct observation, digitizing table and image analysis were introduced in this paper.
丝状微生物形态分析有直接观测法、计数表法和图象分析法等。
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