| personal flotation device |
PDF is official terminology for life jacket. When properly used, the PDF will support a person in the water. Available in several sizes and types.
출처: www.boatersdream.com/libarticles.cfm
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| persistence |
Stability of chemical compounds in the environment. Persistence is an important negative criterion in the ecological assessment of chemicals.
출처: www.eurochlor.org/tools/glossary/glossary.htm
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| person |
Generally, a human being. Legally, a "person" may statutorily include a corporation, partnership, trustee, legal representative, etc.
출처: www.edgarsnyder.com/resources/terms/p.html
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| persistence |
The length of time that a wine remains on the palate after tasting.
출처: www.lovewine.org/
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| personality disorder |
A group of disorders characterized by pathological trends in personality structure. It may show itself by lack of good judgment or poor relationships with others, accompanied by little anxiety and no personal sense of distress.
출처: www.cmpmhmr.cog.pa.us/glossary.htm
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