| natural killer cells |
large lymphocytes with granules in the cytoplasm that kill infected cells and tumor cells
출처: www.transplantrx.com/resources/glossary.htm
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| natural selection |
central thesis of the biologist Charles Darwin which suggests that within every population of living organisms there are random variations which have different survival value. Those which aid survival (or enhance reproductive capacity) are 'selected' by being genetically transmitted to succeeding generations.
출처: www.filosofia.net/materiales/rec/glosaen.htm
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| natural ventilation |
the supply of outdoor air through passive flow from windows, chimneys, doors, and other infiltration.
출처: www.ieainstitute.com/IndoorAirQuality/knowledge-ba...
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| natural |
a symbol that cancels any previous accidentals and indicates that the plain, unaltered pitch class is to be used (ie - C natural = "C")
출처: www.smu.edu/totw/def.htm
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| natural selection |
the differential survival and/or reproduction of individuals within a population based on hereditary characteristics.
출처: www.estuaries.gov/glossary.html
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