commercial presence是什么意思

commercial presence是什么意思 commercial 英语翻译An environmental service is a sector where most trade take place through commercial presence with the accompanying presence of natural persons. saving your presence是恕我冒昧的意思,这里saving presence应该怎么理解 commercial 是商业的广告吗? Commercial P/Notes 的中文意思是 commercial delivery service是干什么的? Pyrolysis of polymers in the presence of a commercial clayThe catalytic effect of a commercial sepiolite in the pyrolysis of PE, PP, PS and EVA has been studied. The results obtained showthat, despite the low ‘‘nominal’’ catalytic activity of commercial可数吗commercial 作为名词是商业广告的意思 那他可数吗? presence of spiritual presence presence是什么意思 merchry presence commercial polish是什么意思是指模具方面的 WING TUCK COMMERCIAL CENTRE是香港什么地方,中文名? 英语翻译commercial property 这个词组是不“商业地产”？ 国际贸易单证中,commercial documents与transport document ,Insurance document的关系是什么?是commercial documents包括了后两者吗? 请问online presence 是啥意思?今天翻译东西是有关电子商务的,里边有一个词组online presence,请高手翻译,这是啥意思?