According to a survey of American bank customers in 2007 by Gartner, a research firm, more than half rate security features as extremely important when deciding whether to go online.

据高德纳咨询公司(Gartner) 2007年对美国银行顾客的一项调查，当决定是否进行网络交易时，超过半数的顾客会把安全视为极其重要的因素。

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If such practices are unchecked, half the species in the Coral triangle will continue to disappear at a rate of 1-2% a year.

如果这些行为不加以制止，那么珊瑚三角区内一半的物种将以每年1-2％的速度继续消亡。

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By the 1990's, less than half of the earth's original rain forests remained, and they continued to disappear at an alarming rate every year.

到20世纪90年代，地球上原有的雨林只剩下不到一半，而且它们每年都继续以惊人的速度消失。

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The researchers say the maternal death rate has been falling almost one and a half percent a year since nineteen ninety.

VOA: special.2010.04.14

If one chord holds twice as long or only half as long, then we have an irregular harmonic change--irregular rate of harmonic change.

如果某一个和弦持续的时间是其他和弦的两倍或者只有一半，这就是不规则的和声改变。

耶鲁公开课 - 聆听音乐课程节选

Remember, it's one and a half times inflation rate plus a half time the GDP utilization 1 plus 1.

注意，公式是，1。5倍通货膨胀率,加上0。5倍实际GDP与名义GDP的百分比,再加上恒常数。

斯坦福公开课 - 经济学课程节选

Over half rate e-mail as essential to their work and most agree that e-mail is effective for both the simplest of tasks and for more complicated projects.

BBC: US workers spared junk e-mails

According to a survey of American bank customers in 2007 by Gartner, a research firm, more than half rate security features as extremely important when deciding whether to go online.

ECONOMIST: Can biometrics make banking more secure?

Although Chevrolet brand sales grew 6.3% to almost 961, 662 vehicles between January and the end of June, that rate is less than half the rate of overall U.S. auto sales which increased 15% over the same period.

WSJ: GM Kicks Off Clearance Season With Money-Back Guarantee