The telegraph was the precursor to telex and fax machines .
电报机是电传机和传真机的前辈。
Itwas on telex systems that today 's electronic data interchange developed .
现如今的电子数据交换是基于电传才发展起来的。
Euroclear , forexample , will start decommissioning its telex system in 2010 when it introducesnew software .
例如，欧洲清算系统（euroclear）将在2010年使现有电传系统退役，并引入新的软件。
But oil traders in houston , geneva and london yesterday said they were communicating with aramco by fax and telex , as the company 's external email services were still down .
" Written form " in this arrangement refers to contract , letter and electronic data ( including telegraph , telex , facsimile , electronic data exchange and email ) and other forms that can physically present the carried content and can be used in the future .
