The popular protocol of the Secure Electronic Transaction(SET)discussed by this paper has the flaws of the goods atomic transactions and certified delivery atomic in transacting digital goods.

文章对现在流行的安全电子交易SET标准进行分析，指出SET协议存在不满足数字商品交易的原子性以及确认发送原子性等缺陷。

youdao

Michael Sahota works as a trainer and Certified Scrum Coach at Agilitrix in Toronto to help businesses accelerate the delivery of value.

在加拿大多伦多的 Agilitrix担任咨询师和认证Scrum讲师的工作，帮助企业加速交付价值。

youdao

Certified nurse-midwives are licensed to provide care before, during and after delivery.

在您孕前，接生，产后时，提供良好的服务。

youdao

Through certified online portals you can track shipments, materials delivery, ships, planes, cars, employees, expedition participants or inform your family and friends about your location.

FORBES: Extreme Cell Phones Get More So