C.D.C.officials say U-V rays can damage your skin in as little as fifteen minutes.

VOA : special.2010.07.06

In the case of France again, they are the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.

例如法国,在佩皮尼昂 里尔 蒙梅迪等地方,这样的要塞城镇随处可见

欧洲文明课程节选 : 耶鲁公开课

This depends on the path. It tells you right here the path is constant pressure. These don't depend on the path, right. V doesn't care how you v get there. u doesn't care how you get there.

这由变化的具体路径决定,这个小脚标表明过程是恒压的,这些量都与具体路径无关,即不管是通过什么路径使得体积变化为Δ

热力学与动力学课程节选 : 麻省理工公开课

When clothing is wet or stretched, however, it lets more U-V rays pass through.

VOA : special.2010.07.06

Doctors also suggest avoiding tanning salons and U-V tanning beds to prevent skin cancer.

VOA : special.2010.07.06