abbr. PPT
misc. parts per trillion
... PPS每秒钟脉波数 ppt兆分之 PPTPpoint-to-pointtunnelingprotocol点对点隧道协议，点到点隧道协议，港点至点开隧协定 ...
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研究表明，狗鼻子能嗅出微弱到兆分之五百程度的味道，所以它能闻出显示癫痫即将发作的信息素。
Studies have shown that dogs 'noses can detect scents as faint as 500 parts per trillion, making it possible that dogs sense a seizure-indicating pheromone3 prior to an attack.
帕米萨诺和罗梅蒂在7月29日同一天生日，这可是365分之1的小概率，考虑到闰年，可能更小；这是某种预兆吗？
In a 1-out-of-365 chance, or less considering leap year, Palmisano and Rometty share the same birthday, July 29th; is that an omen of some kind?
目前为止，该能量捕捉器的功效还十分之效，小到计量单位运用的是毫瓦，而不是兆瓦，不过当其收集到足够的能量时，它能够为小型的传感器和RFID装置补给电量。
So far, the energy captured is minute - measured in microwatts and milliwatts, not megawatts - but is able to gather enough juice to power small sensors and RFID tags.
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