“spectral density”的概念、定义、翻译、参考文献-科学参考

单词	spectral density
释义	spectral density [`spek·trǝl `den·sǝd·ē] ^{ELECTROMAGNETISM} See <<spectral energy distribution>> ^MATHEMATICS The density function for the spectral measure of a linear transformation on a Hilbert space. ^{SYSTEMS ENGINEERING} See <<frequency spectrum>>
随便看	palpus palstage palsy PAL system paludal paludification palustrine palygorskite palynofacies palynology palynomorph palynostratigraphy palytoxin PAM pamabrom pamaquine naphthoate pampa pampero Pamphiliidae pampiniform pampiniform plexus pamprodactylous pan panabase panacinar emphysema

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