单词:ceramic pyroelectric detector
单词:ceramic pyroelectric detector 相关文章
That pottery can be dated, and so tell you the date of the city itself. By dating the pottery of all the settlements along the ancient lost branches of the Nile, that will tell you when each settlement was inhabited. And therefore, when that particu
It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'
Broadcast: May 5, 2003 By Jill Moss This is the VOA Special English Development Report. Each year more than two-million people die from diseases caused by drinking dirty water. That is the estimate of
It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm
While many Chinese smartphone makers have recently stepped up their efforts in delivering more original designs, we can't say that's the case with Meizu's latest offering. In fact, we already knew the cheeky company was up to something when the Chine