pH恒稳器,pH自动恒定器

New Polio Immunization Drive to Start in Nigeria's Kano Stat

By Nico Colombant World Health Organization officials say the northern Nigerian state of Kano will start a catch-up polio immunization campaign Saturday, ending an 11-month religious-led boycott. The

发表于:2018-12-08 / 阅读(47) / 评论(0)

VOA2004（下）--健康科技

Identity Thieves’ New Ploy: Pharming

Identity Thieves’ New Ploy: Pharming 2 How do people pharm? Pharming scams take a few different forms: Attackers could use malicious code, such as a virus, planted on a user’s PC to track keystrok

发表于:2018-12-19 / 阅读(136) / 评论(0)

彭蒙惠英语

Are You Progressing with Progressive Tenses?

Are You Progressing with Progressive Tenses? Editors note: This is the second of a four-part series on verb tenses. Click here to see part one. For VOA Learning English, this is Everyday Grammar. Today we are going to look at the progressive verb ten

发表于:2019-01-12 / 阅读(73) / 评论(0)

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Ganso could be out until 2013, says physio

Ganso could be out until 2013, says physio RIO DE JANEIRO, Sept. 28 (Xinhua) -- Brazil midfielder Paulo Henrique Ganso could be forced to wait until next year to make his debut for new club Sao Paulo. Ganso, who joined the Brazilian top division outf

发表于:2019-02-06 / 阅读(102) / 评论(0)

英语新闻

乔布斯传第196期:五月的关键七天(5)

When Eisenstat asked what he meant, Sculley responded, I think I'm going to resign. 艾森斯塔特询问他是什么意思，斯卡利回答说：我想我会辞职。 You can't, Eisenstat protested. Apple will fall apart. 你不能，艾森斯塔特抗

发表于:2019-02-15 / 阅读(45) / 评论(0)

乔布斯传

乔布斯传第195期:五月的关键七天(4)

For Bill Campbell, it was particularly tough. He was fond of Jobs and didn't particularly like Sculley. 对于比尔坎贝尔来说，这个抉择尤为艰难。他很欣赏乔布斯，但并不是特别欣赏斯卡利。 His voice quavered a bit as

发表于:2019-02-15 / 阅读(37) / 评论(0)

乔布斯传

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angle beam searching unit

association technique