四级That approach will eliminate most cord-cutting concerns—but what about their wireless equivalent, jamming? With the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?Jamming concerns are nothing new, and they're not unique to security systems.
这一方法将消除大多数跳线问题,但它们的无线等效干扰又如何呢?如果将正确的设备调谐到正确的频率,那么如何阻止窃贼干扰您的设置并阻止警报信号到达基站?干扰问题并不是什么新鲜事,也不是安全系统独有的问题。
2016年12月阅读原文
四级It caught us in the act, sent an alert to my smartphone, and also listed our RF interference on the system's event log.
它发现了我们的行为,向我的智能手机发送了警报,并在系统的事件日志中列出了我们的射频干扰。
2016年12月阅读原文
考研The heightened alert followed an emergency meeting with flu experts in Geneva that assembled after a sharp rise in cases in Australia, and rising numbers in Britain, Japan, Chile and elsewhere.
在澳大利亚病例急剧上升,英国、日本、智利和其他国家的病例不断上升之后,在日内瓦召开了流感专家紧急会议,随后加强了警报。
2010年考研真题(英语二)完形填空 Section Ⅰ
六级The researchers explained that the study demonstrated when we are in a novel environment the brain partly remains alert so that humans can defend themselves against any potential danger.
研究人员解释说,这项研究表明,当我们处于一种新的环境中时,大脑部分保持警觉,以便人类能够抵御任何潜在的危险。
2017年6月六级真题(第三套)阅读 Section A
六级Journalist Sarah Scoles reports that NASA currently tracks about 24,000 objects in space, and in 2016 the air Force had to issue 3,995,874 warnings to satellite owners alerting them to a potential nearby threat from another satellite or bit of debris.
记者莎拉·斯科尔斯(Sarah Scoles)报道说,美国宇航局目前在太空中跟踪约24000个物体,2016年,美国空军不得不向卫星所有者发出3995874次警告,提醒他们附近可能存在来自另一颗卫星或碎片的威胁。
2019年6月六级真题(第二套)阅读 Section C
四级If they detect something wrong while the system is armed, they'll transmit a wireless alert signal to a base station that will then raise the alarm.
如果他们在系统启用时检测到错误,他们将向基站发送无线警报信号,然后基站将发出警报。
2016年12月阅读原文
六级Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.
他们的危险行为饮酒过量、使用非法药物、吸烟和逃学可以提醒家长和老师,严重的问题正在酝酿之中。
2016年12月阅读原文
四级When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).
当系统认为它被阻塞时,它会通过-94-推送警报(',推送警报).
2016年12月阅读原文
四级More sleep in old age, however, is associated with better health, and most older people would feel better and more alert if they slept for longer periods, he said.
他说,老年人睡眠时间越长,身体越健康。如果睡眠时间长,大多数老年人会感觉更好、更警觉。
2011年6月阅读原文
四级She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators.
她还从之前对鸟类和海豚进行的研究中了解到,这些动物一次会让一半的大脑进入睡眠状态,这样它们就可以休息,同时保持足够的警觉以躲避捕食者。
2017年12月四级真题(第一套)阅读 Section C
四级She worked out that, if the left hemisphere was staying alert to keep guard in a strange environment, then it would react to the irregular beeps by stirring people from sleep and would ignore the regularly timed ones.
她计算出,如果左半球在陌生的环境中保持警觉以保持警惕,那么它会对不规则的嘟嘟声做出反应,将人们从睡眠中唤醒,并忽略定时的嘟嘟声。
2017年12月四级真题(第一套)阅读 Section C
四级When the system thinks it's being jammed, it'll notify you via push alert.
当系统认为它被阻塞时,它会通过推送警报通知您。
2016年12月四级真题(第一套)阅读 Section B
四级with the right device tuned to the right frequency, what's to stop a thief from jamming your setup and blocking that alert signal from ever reaching the base station?
如果将正确的设备调谐到正确的频率,如何阻止窃贼干扰您的设置并阻止警报信号到达基站?
2016年12月四级真题(第一套)阅读 Section B
六级To alert American workers to the urgency for adaptation.
提醒美国工人适应的紧迫性。
2016年6月阅读原文
六级To be alert to fluctuations in foreign markets.
警惕国外市场的波动。
2011年12月阅读原文
六级And when that is failed, they stop the hunters, banging on pots and pans to alert the deer.
如果失败了,他们会阻止猎人,敲打锅碗瓢盆提醒鹿。
2013年12月听力原文
六级Half of your brain stays alert and prepared for danger when you sleep in a new place, a study has revealed.
一项研究显示,当你在一个新的地方睡觉时,你一半的大脑保持警觉,为危险做好准备。
2017年6月六级真题(第三套)阅读 Section A
考研Jealousy and anger, for example, may have evolved to alert us to important inequalities.
例如,嫉妒和愤怒可能已经进化到提醒我们注意重要的不平等。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级We become more energetic, more alert, better able to take effective action.
我们变得更有活力,更警觉,更能采取有效行动。
2008年12月英语六级真题
四级People will be alert (警觉的) and receptive (接受能力强的) if they are faced with information that gets them to think about things they are interested in.
人们将保持警惕(警觉的) 并且易于接受(接受能力强的) 如果他们面对的信息能让他们思考自己感兴趣的事情。
1995年6月大学英语四级(CET-4)真题
四级High-quality customer service is preached(宣扬) by many ,but actually keeping customers happy is easier said than done
Shoppers seldom complain to the manager or owner of a retail store, but instead will alert their friends, relatives, co-workers, strangers-and anyone who will listen.
宣传高质量的客户服务(宣扬) 很多人认为,但实际上让客户满意说起来容易做起来难
2008年12月英语四级考试真题
四级She also knew from previous work conducted on birds and dolphins that these animals put half of their brains to sleep at a time so that they can rest while remaining alert enough to avoid predators (捕食者).
她还从之前对鸟类和海豚的研究中了解到,这些动物一次将一半的大脑投入睡眠,这样它们就可以休息,同时保持足够的警惕,以躲避捕食者(捕食者).
2017年12月大学英语四级考试真题(第1套)
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