| 1. | If the wave packet has a narrow bandwidth, it will extend over a large region of space and time .
如果包带的带宽很窄，那么它将占据一个很大的空间和时间区域。 |
| 2. | I like to pack some in the morning
我自己的话，每天早上都会包一包带着。 |
| 3. | He can ' t take his bag into the supermarket
他不可以把包带入超市。 |
| 4. | I want a packet of filter - tip cigarette
我要一包带过滤嘴的香烟。 |
| 5. | Heavy type tangential tape reinforcing machine
重型切线式包带机 |
| 6. | Horizontal de - taping and taping machine
卧式剥带包带联合机 |
| 7. | Please bring your bag to my school
请把你的包带到学校来 |
| 8. | Multiple head concentric taping machine
多头同心包带机 |
| 9. | Head vertical tape lapping machine
立式四头包带机 |
| 10. | Flame retardant belts for cables
电缆用阻燃包带 |
