up-conversion phosphors怎么正确翻译 是有关电化学的

up-conversion 和 down-conversion 应该分别如何翻译?分别的过程机理是怎么样的? up-conversion phosphors怎么正确翻译 是有关电化学的 up-conversion phosphors什么意思 是有关电化学的 what is conversion factors?什么是 CONVERSION FACTORS Conversion tracking是什么意思?conversion tracking是什么意思 full conversion是什么意思 conversion的定义 molar conversion什么意思 conversion ended是什么意思 conversion supplied是什么意思? after-conversion是什么意思 Conversion Kit 什么意思 beneficial conversion feature electric car conversion kit conversion的动词是什么?转变 英语翻译不懂英语,是计算器的说明.FEATURE1．5V operatevery low power consumption (standby current:typ.3uA)“euro”amount is fixed to 2 dec.pt.round up.one-touch currency conversion.Automatical power off“ac”,”local” ＆ “ac 英语翻译where a tenderer offers plant or equipment for which drawings using units other tha SI exist,drawings marked up with SI equivalent dimensions,converted in accordance with internationally recognised conversion factor,will be acceptable for 英语翻译Position-to-flow Rate Characteristic Conversion