百度试题 结果1 题目D) The importance of mobile phones in emergency situations 相关知识点: 试题来源: 解析 解析:根据最后一段中提到的“Mobile phones have become essential tools in emergency situations”可以得出答案。反馈 收藏
Emergency navigation with a large number of sensors can serve as a safety service in emergencies. Recent studies have focused on navigation protocols to sa... W Lin,W Liu - 《清华大学学报自然科学版(英文版)》 被引量: 30发表: 2011年 Mobile communication method, core network apparatus, radio ...
As part of public safety mobile devices are also used to inform individuals about emergency situations. This paper examines the use of mobile devices, specifically cellular phones, to notify individuals about emergencies via short message service (SMS). This paper represents an exploratory work-in-...
A method and device are provided for allowing an efficient control of the establishment of connections of mobile radio phones that are present in an area hit by a disaster. According to the present invention, a sequence is transmitted in a single broadcast to all mobile stations in at least ...
[详解]句意:除非有紧急情况,否则不许在学校使用手机。 考查从属连词的辨析。if如果;unless除非;although尽管;when当……时候。根据“Mobile phones aren’t allowed in the school…there is an emergency.”可知,本句表达的是:在学校不许使用手机,除非有紧急情况。此空缺的汉意是“除非”unless 。故选B。反馈...
aThe main advantage of mobile phones is that people can use them anytime and anywhere, so they can use it for an emergency. 移动电话的主要好处是人们能任何时候和任何地方使用他们,因此他们可以为紧急状态使用它。[translate]
Switch the phone on. If the phone screen and keys are locked, unlock them. Move to a place with adequate signal strength. On the home screen, tapphone. Type in the official emergency number for your present location. Emergency call numbers vary by location. ...
or even require a SIM card that has credit.For example,Latin American GSM networks and those in the United Kingdom typically do not allow emergency calls without a SIM.Also,GSM phones sold in some countries like Singapore do not accept 112 as an emergency number if they have a SIM card ...
This map shows local emergency telephone numbers around the world. Emergency telephone number systems are simply telephone equipment that routes calls to the nearest public safety agency communications center, and in most cases displays the callers locat
( )27. Mobile phones aren't allowed in the school ___ there is an emergency.A) if B) unless C) although D) when 相关知识点: 试题来源...