Once pollutants become airborne they are subject to the dispersing action of the atmosphere . 一旦污染物被空气携带，它们就受到大气层的散布作用。
There is a need for a highly sensitive system that is at the same time compact and easily portable . 需要高灵敏度系统，而且还应该坚实和便于携带。
Furthermore, there are far more healthy carriers of enteric pathogens than frank clinical cases . 而且健康的肠道病原菌携带者又比明显的临床患者多得多。
The space agency said it has agreed to carry two of these modules into the space on the shuttle . 航天总署说，他们已经同意用飞船携带两个这样的组件进入太空。
No . the regulation permits you to bring in two bottles of wine of liquor and a carton of cigarettes duty-free . 不要。海关规定可以免税携带一条香烟和两瓶酒。
The instrument may be used in any position and is much more rugged and conveniently portable . 这种仪器使用时，可以安放在任何位置上，而且比较经久耐用，便于携带。
The probability is high that some of these organisms will be picked up and carried over when a transfer is made . 在移植平板上长出的菌落携带杂菌的机率是相当高的。
Removing carriers from a flock and premises is an effective way of preventing a recurrence of some diseases . 防止某些疾病重新发生的一个有效方法是把一个病毒携带者从牲圈里清除。
This particulate matter carried along by the blast waves does not necessarily affect the overpressures at the shock front . 这些由爆震所携带的微小物体并不一定影响冲击波波面上的超压力。
As the electron carries nature's smallest unit of electric charge, it also carries the indivisible unit of spin . 因为电子是携带电荷的天然最小单位，所以电子也携带不可分的自旋角动量单位。
