But it was not until nineteen ninety-three that the problem was completely solved using corrective mirrors.

VOA: special.2009.09.30

Well, that problem was partly solved by saying, 'Well,if I'm giving the inoculation to one person, and that's what would happen.

这个问题一定程度上可以这样解决,如果我给一个人接种,然后就可以解决了

耶鲁公开课 - 生物医学工程探索课程节选

Well, that problem was partly solved by saying, 'Well,if I'm giving the inoculation to one person, and that's what would happen.

这个问题一定程度上可以这样解决,如果我给一个人接种,然后就可以解决了

耶鲁公开课 - 生物医学工程探索课程节选