[电子] 脉冲幅度分析器

2009-02-07&2009-02-09 脉搏快有问题？

So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n

发表于:2018-12-11 / 阅读(92) / 评论(0)

访谈录2009

电信专业英英词典D-5

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

发表于:2019-01-03 / 阅读(71) / 评论(0)

电信英语

SSS 2010-11-02

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Toss a piece of leaf onto a spider web. The spider is indifferent. Because leaves don't squirm like captured flies. But Australia's assassin bug turns the tabl

发表于:2019-01-08 / 阅读(112) / 评论(0)

Scientific American(十一)月

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

发表于:2019-01-08 / 阅读(63) / 评论(0)

2010年NPR美国国家公共电台11月

美国国家公共电台 NPR What One Family Lost In Pulse Nightclub A Year Ago

(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a

发表于:2019-01-17 / 阅读(135) / 评论(0)

2017年NPR美国国家公共电台6月

辛沛沛NO-BOOK 傻瓜机口语极短句 Lesson 334 Your pulse is regular.

Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my

发表于:2019-02-12 / 阅读(107) / 评论(0)

辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

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antilock braking system