partial decay constantpartial disintegration constant部分: part; section; portion衰变常数: decay constant部分衰变: partial disintegration衰变常数: constant, decay; decay co tant; decay coefficient; decay constant; decayco tant; discontinuous constant; disintegration constant; disintegrationco tant; disintigration constant; exponential decay总衰变常数: total decay constant下载手机词典可随时随地查词查翻译