直接信息交换

direct exchange exchange of information rules direct exchange contract code of ethics for the exchange of information information direct exchange brief meeting ( A brief, small-scale , informal meeting with no fixed agenda, the main purpose of which is to exchange information.) information requirements information capacity key information information exchange video information exchange window technical information exchange electronic information exchange system National Burn Information Exchange direct foreign exchange quotation direct heat exchange direct quotation of exchange rate extension of game with exchange of information extension of game without exchange of information