The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种廉价FND所发的荧光与用电子束生产的FND所发荧光大致相同.The radar beam can track a number of targets almost simultaneously.雷达波几乎可以同时追着多个目标.A high quality beam ha...
Go to the website today and you can unsubscribe online.今天上网就可以退订。The old official club website address has been taken over by cybersquatters.俱乐部原来的官方网址已经被人抢注了。A website need not cannibalise existing sales.网站并不妨碍目前的销售。...