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

请问operating和 operational 有什么区别.比如 Rated operating voltage Rated operational current operating profit 和operating cash什么关系? operating 英语翻译operating 和 mood state 怎么翻译? operating company中文意思请问operating company是什么意思.是怎么样的一个公司形式? 英语翻译：请问Joinder Agreement是什么意思? JOINDER TO OPERATING AGREEMENT sales,operating income和net income怎么区分啊 operating revenue和operating income有什么区别?(thousands $) 2006 2005 Consolidated Statements of Operations Data operating revenues 1,277,561 1,162,316operating income 40,644 122,013 前者比后者大很多.二者有何区别? operating function segment operating operating arms operating resistance 英语翻译这些名词具体包括日本邮政财务上的什么方面的内容.还有operating income和net operating income又分别指什么内容呢. NOI 就是net operating income等于什么?,和EBIT什么区别? net income 和 after-tax operating income完全等同吗?指什么?扣息扣税吗? profit before interst and tax和operating profit一不一样?有什么区别? 英语翻译IFRS 6 Exploration for and evaluation of Mineral Resources 和IFRS Operating Segments 原文是：In doing business in China,insider status avoids operating problems.请问其中的insider status 怎么翻译?