请问operating和 operational 有什么区别.比如 Rated operating voltage Ra

请问operating和 operational 有什么区别.比如 Rated operating voltage Ra operating revenue和operating income有什么区别? 郭老师您好! 请问超声波发音器的rated frequency range与operating frequency有什么 operating profit 和operating cash什么关系? rated voltage和nominal voltage有什么区别?我确定肯定是有区别的,请知道的人赐教! 请问strategic management和operational management有什么区别阿? profit before interst and tax和operating profit一不一样?有什么区别? Operating Segments什么意思 NOI 就是net operating income等于什么?,和EBIT什么区别? 英语翻译bucket capacity rated load operating wight t length×widt Cost of sales 和 Operating expenses的区别? CFA 一级 Operating cash flow 和 operating expense 的关系