呼叫与 meaning in English

call cost limit

6 sets memory for front panel setting and test sequence store recall linear amplifier with feedback control to provide highly regulated power
具6组记忆组，供面板设定值储存呼叫与循环测试功能
This system is based on the technology of webgis and wireless communication , with gps location data and electronic maps as its data sources . in general , functions of the system cover identifying users " logging on internet , querying and analyzing map features , calling and controlling specific mobile vehicles , as well as distributing information on internet , etc . obviously , those complicated functions will eventually take on the characters of clarity , visualization , extendable and interoperation
该系统以gps定位数据和电子地图为数据源，以无线通讯和webgis为技术支撑，为internet上的授权用户提供权限登录、地图查询与分析、车辆呼叫与监控，以及信息发布等功能，主要特点是透明化、可视化、可扩展、可实时互动。