从波特的观点来看,可延续(sustainable)的策略优势源自于 一套活动的系统(a system of activities),其中每一项活动之间具有彼此强化的 功效。
基于1个网页-相关网页
飞船外部活动信息系统。 这是一套电子设备的模型,为未来的太空漫步提供帮助。
The Extravehicular Activity Information System, which is a suite of prototype electronic devices to help with future spacewalks.
Harris采用了一套复杂的短消息系统把竞选活动的最新信息发送给支持者。
Harris adopted a sophisticated text-messaging system that allowed the campaign to send quick news flashes to supporters.
他们称已经发明了一套可以记录大脑高级活动的系统。
They claim to have developed a system which allows them to record higher level brain activity.
应用推荐