With several hundred anti-abortion protesters John Paul called gathered outside Notre Dame's front gates, President Obama was greeted inside the Joyce Center on campus with long and thunderous applause.

VOA: standard.2009.05.17

For this particular cell here it looks like it's about -75 millivolts, so the inside of the cell is a little bit more negative than the outside.

这个细胞的膜电位是-75毫伏,所以细胞内侧跟外侧比起来电势要低一些

耶鲁公开课 - 生物医学工程探索课程节选

For this particular cell here it looks like it's about -75 millivolts, so the inside of the cell is a little bit more negative than the outside.

这个细胞的膜电位是-75毫伏,所以细胞内侧跟外侧比起来电势要低一些

耶鲁公开课 - 生物医学工程探索课程节选