parsec

1. Utilizing the message interaction mechanism of PARSEC, which is running environment of GloMoSim, automatization of multi-scheme comparison and batch simulation is implemented in GloMoSim.
   多方案对比及批量仿真是学术研究中无线网络仿真需求的基本特点。
2. And then you have to convince the whole world that you have actually detected something like this in the atmosphere of an extrasolar planet host star somewhere in100 parsec away from here.
   再来你必须说服整个世界，你的确侦测到像这样的物质，在太阳系外行星的宿主恒星大气中，在离这里100秒差距的地方。

noun

1. a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc

   Synonym:    secpar