While concentrations varied daily, typical concentrations of lead particles ranged from 0.6 to 1 microgram per cubic meter of air, Bell and her thesis adviser Catherine Cahill found.

Bell和她的论文导师Catherine Cahill发现，尽管浓度含量每天都发生变化，铅浓度含量一般在0.6到1微克每平方米空气之间。

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He have a lead of 2 meter over the other runner.

他比其他赛跑运动员领先2米。

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DVM is not accurate in measuring resistance below 20 ohm due to the lead resistance, unless it is a 4 wired ohm meter.

数字式电压表在测量低于20欧姆的电阻时﹐会因为引脚的电阻而使测量不准确。除非它是一个四线欧姆表。

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On Saturday night, U.S. coach Teri McKeever tapped Franklin to lead off the U.S. 4 x 100 meter freestyle because she said the team needed Franklin's speed to keep them in the race.

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Perez doubled the lead in the 55th minute with a superb curling 25-meter shot.

CNN: Liege thrash Sampdoria to reach last 32

American Nathan Adrian took the lead early, touching the wall ahead of Australian and current 100-meter world champion James Magnussen.

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