Thus a base station of PHS is compatible with ISDN and is often connected directly to ISDN telephone exchange equipment e.g. a digital switch.
因此，小灵通基站也可与综合业务网系统相匹配并且经常作为综合业务网电话的交换设备。譬如，电子交换机。
2
They meet online at a home exchange website and impulsively switch homes for the holiday.
她们在网上进行交流，决定在假期里交换住处。
3
Britain has managed such a switch before, most recently in the mid-1990s, after the pound fell steeply on its expulsion from the European exchange-rate mechanism.