Other genetic changes pinpointed by the Pennsylvania team occurred in genes involved in a cellular waste system which probably ensures these "adhesion" proteins are kept in working order.

宾夕法尼亚大学的研究人员发现，有一些基因变异出现在与细胞排废系统有关的基因中。排废系统的作用可能是使‘粘附’蛋白质能够正常工作。

Meanwhile, Matt Poese and colleagues at Pennsylvania State University in University Park are developing an HFC-free air conditioning system based on sound.

同时宾夕法尼亚州州立大学帕克学院麦特珀斯正和同事们开发一种基于声音的无氟空调系统。

State police have been working towards a badly needed upgrade for the old Pennsylvania Instant Check System (PICS) since 2001.

自2001年该州警方就在致力于升级该州急待升级的宾西法尼亚快速检索系统。

And in Pennsylvania, Heritage Valley Health System will soon join the ranks of hospitals using check-in kiosks for emergency-room visits. Simply touch the image of the human body where it hurts.

并且，在宾夕法尼亚州，Heritage Valley健康系统不久将会进驻医院，它通过检查终端来观察患者的病况，仅需要简单的模拟触碰虚拟人体的患处。

So Ruth Trimble basks in the warmth coming off her gas boiler, which a couple of years ago replaced the oil heat system in her mid-century home in Middletown, Pennsylvania.

几年前，住在宾夕法尼亚州米德尔敦的Ruth Trimble换掉了她中世纪风格的家里的燃油取暖设备，而改用煤气锅炉来取暖。