生產(chǎn)的英語翻譯：

give birth to a child; manufacture; produce; yield; production; parturition
procreation
【醫(yī)】 accouchement; birth; childbearing; childbirth; confinement; delivery
labor; parturition; partus; texis; tocus; travail
【經(jīng)】 capacity; produce

效率的英語翻譯：

efficiency
【化】 coefficient of performance(COP)
【醫(yī)】 efficiency
【經(jīng)】 efficiency

下降的英語翻譯：

go down; come down; decline; descend; drop; fall; gravitate; plunge
degression
【醫(yī)】 descensus; descent
【經(jīng)】 decline; slump