计算机专业英语 作者 李云平 学习情景6：移动通信技术.pptVIP

* Text B: Mobile Internet connectivity Exercises 1. Translate the following Phrases into English. (1) 移动互联 (2) 固定局域网 (3) 通信范围 (4) 成长期 (5) 公共无线局域网 (6) 兼容 2. Fill in the blanks with appropriate words or phrases. A) builds on B) provide C) upon D) in conjunction with E) away from F) connected to G) forward H) in that I) due to (1) One of the next major steps in internet access is to enable users to access the Internet while the local area network (LAN) of their institution. (2) Public access WLANs are typically the Internet via a wired technology connection. ? * Text B: Mobile Internet connectivity Exercises (3) A network card needs to be used an access device and users gain internet connectivity via the public access WLAN user authentication. (4) Mobile internet connectivity both the mobile voice and fixed data networks. (5) Some are inherent in the technology and others are the immaturity of mobile connectivity systems. 3. Translate the following words into Chinese. As computers become more embedded, incorporated into appliances, vehicles, and system sensors, and as networks have migrated toward wireless connections, the computer has finally removed itself from the user interface paradigm of prior eras and created a completely new model. This model might be called ubiquitous computing. In the wearable computer paradigm, the computer is contained in the user’s cloth-ing, and the input and output devices interact with the normal motions and senses of the human body, including normal vision. As such, wearable computers offer two great cartographic advantages. First, the system can present the map user with cartographic information in real time during map use. Secondly, the system can take advantage of distributed systems to retrieve map and image data for display based on the position of the user. ? * Practice PartⅠ Role play A: Sorry to disturb you, Miss. B: Yes? What can I do