The concept of condensed body, main controlling factors of lacustrine sedimentary sequence, classification of system tracts, and research methods of continental sequence stratigraphy are discussed.

在凝缩体的概念、陆相盆地中湖相沉积层序形成的主控因素、体系域的划分以及陆相层序地层学的研究方法等方面，提出了探讨性的意见。

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These vehicles' front passenger airbags may not deploy in the event of a crash because of a possible problem with their occupant classification system, which gauges the size of a passenger and based on that whether an air bag should be deployed.

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In 1851, American librarian Melvil Dewey, who devised the system of classification for library cataloguing, was born.

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With its new manual, the APA might instead have started taking steps toward a system of classification that, as in medicine, organizes disorders according to what we know about their natures and causes.

WSJ: DSM-5: A Manual Run Amok