“natural fade document”的概念、定义、翻译、参考文献-科学参考

单词	natural fade document
释义	natural fade document Encyclopedia 工学刑事科学技术释 natural fade document自然褪色文件经过长期日晒或经水洗使文字色料褪色，但物质成分仍以文字原形存留在纸上的文件。
随便看	backward movement backward operator backward parabdic equation backward parabolic equations backward production capacity backward reachability backward reaction backward reasoning backward recovery backward scattering backward stability backward stochastic differential equation backward stochastic differential equation (BSDE) backward substitution backward sweep backward type backward type cycle backward wave backward wave amplifier backward wave oscillator backward-wave oscillator backward wave oscillator, BWO backward wave power amplifier backward wave tube oscillator back warming

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