two-element electronic system

Through making investigations in a large amount, find two difficult problems existing in online logistics system at present: the secure electronic payment problem of the freight charges and the trust problem during owner of cargo and car owner.

经过大量调查研究，发现目前网上物流系统中存在的两个难题：运费的安全电子支付问题和货主与车主之间的信任问题。

With the application and development of electronic commerce, there are two leaps of accounting informatization in accounting information system.

随着电子商务的应用和发展，会计信息系统发生会计信息化两次飞跃。

Electronic control in two kinds of auto drive system of motor

两种自控式电动机驱动系统的电子控制

Development of Electronic Control System of Ruby Laser Creating Two and Serial Nanosecond Pulses

纳秒双脉冲及系列脉冲红宝石激光器电控制系统的研制

Two companies, Germany's Siemens and France's Thales, face the formidable challenge of replacing outmoded technology on key parts of the system with modern electronic systems that will cost less to maintain and increase capacity.

德国西门子（Siemens）和法国泰雷兹（Thales）这两家公司面临这项艰巨的挑战：用维护成本较低、能够增加运力的现代电子系统，去替换地铁原有信号系统关键部位的过时技术。