In this paper the phenomena of the virtual cathode oscillation in coaxial reflex triode are investigated by means of two and one half dimensional and fully electromagnetic MAGIC code.

运用两维半、全电磁模型的MAGIC程序对同轴式反射三极管中的虚阴极振荡现象进行了粒子模拟研究。

youdao

The goal for the stimulus plan is to save or create two and one-half million jobs over a period of two years.

该经济刺激计划的目标是在两年的时间里创造250万个就业机会。

youdao

This year, it estimates that two and one-half million people became infected, and that two million people died of AIDS.

今年，规划署预计将有250万人被感染，并且将有2百万人死于艾滋病。

youdao

And it can go from zero to ninety-five kilometers an hour in just two and one half seconds.

VOA: special.2009.11.03

It's kind of like the average price of a share adjusted for splits because you don't want the--obviously when they do a two-for-one split, the price falls in half and that's meaningless, so you want to correct for splits.

有点像经过分割调整的股票平均价格,因为你不想,当一股分割成两股,价格下跌一半,这是没意义的,所以要修正分割

耶鲁公开课 - 金融市场课程节选

However you like them, for best results, beets should be picked when the roots are two and one-half centimeters around.

VOA: special.2010.03.02

Optimism among individual investors reached its highest level in nearly two and one-half years, according to the latest AAII Sentiment Survey.

FORBES: Why Is Bullish Sentiment Near Two And A Half Year High?

It also went on "Children in the manual social classes are twice as likely to die in an accident as those in the non-manual classes, and the poorest two fifths are one and a half times as likely to be at risk of a mental illness as the richest two fifths".

BBC: Minding the health gap

By comparison, the big government study enrolled women and randomly assigned Prempro to one half, and placebo to the other half, resulting in two groups that were indistinguishable from one another.

FORBES: A Consumer's Guide To Medical Jargon