他提倡研究精神疾病的生理成因，并制定了对精神疾病的现代分类体系。
He called for research into the physical causes of mental illness and established the foundations of the modern classification system for mental disorders.
对化石发现进行分类是出了名的难——对于各种生理特性重要程度的判定可谓众口难调，而且一有新发现便会编入一个新的分类单位。
Fossil finds are notoriously difficult to classify—people disagree on which physiological features are important; and each new find represents a class of one.
本文主要从膳食纤维的定义、组成及分类、生理功能等方面进行了综述。
The definition, composition and classification, the physiological functions of dietary were reviewed in this paper.
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