振幅加速度(以一定振幅和频率振动的质点改变运动方向的加速度)

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optimism swap ecology charter horizon prototype uproar cereal orientation originate burner photoelectric subject compute forum racket glare flask infectious outlaw compile roundabout mercury amplitude pedal

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用Mp3背六级单词

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WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

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DCE data circuit terminating equipment DCP digital communications protocol DCS digital cross-connect system DDD direct distance dialing DDN Defense Data Network Digit L Digital L is another amplitude

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NPR 2010-11-13

President Obama's spending the last two days of his Asia tour in Japan, shoring up trade support at a regional summit after suffering a few setbacks. Earlier at the G20 meeting in Seoul, the president was unable to secure a free trade pact with South

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In Southeast Asia, people know well the risks that extreme weather can bring, and they worry that a warmer climate will increase those risks. !Pros Laput, Daniel Schearf | Bangkok 19 December 2009 When Typhoon Ketsana hit Manila this year, the crowde

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VOA标准英语2015年(五月)

2006年VOA标准英语-US Snowboarder Rides on Sport's Growing Po

By Jim Stevenson Washington 04 January 2006 Snowboarding's halfpipe competition has quickly evolved to become one of the more popular winter Olympic events. One of the early stars of the sport was Ame

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XDF考研词汇串讲文本a5

along prep. 沿着ad. 向前走解析：表示沿着或向前走,一般指沿着一个线性的方向 along with 与……一起 alongside prep. 在……旁边,并肩 alphabet n. 字母表,字母系统

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A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

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0452

advanced cabin entertainment and service system (acess)