access card

基本解释

The function of muti-room and access cards, we can use one guest card to open several different rooms' locks if necessary;
多房卡功能——需要时可以使用一张客人卡同时开启多个房间门锁；
The Ecobici people tell me thatthey are talking to some of the big hotels about lending access cards to guestson a pay-as-you-go basis.
Ecobici的工作人员告诉我，他们正在和一些大型旅馆磋商，在即付即用的基础上，对宾客出让自行车的使用权。
“We used to prefer women because they are easier to manage, ” said Frank Chen, a manager at a Qingxi factory called Lite-On Technology, which makes Internet-access cards for Wi-Fi devices.
“我们过去多招女工，因其易于管理”，弗兰克.陈（音）说，他是一家为Wi-Fi设备生产上网卡的名为Lite-On科技的工厂经理。

Instead of quickly sending out a signal to disable pirated access cards, DirecTV management waited for the company's weekly disabling blast.
FORBES: Magazine Article
Then there have been subtle but important barriers: For instance, Macintosh computers have long been incompatible with a security keycard-reading system known as Common Access Cards system, or CAC, which is heavily used by the military.
FORBES: Magazine Article
Members enter gyms with access cards.
FORBES: Magazine Article