a few cycles的用法和样例：
- Almost simultaneously the physicists fired an infrared pulse 5,000 attoseconds long whose electric field oscillates only a few cycles.
- She read me a few extracts from her own new novel.
- Only a few of my friends were informed about it.
- But should achieve acetanilide goal, often need to last a few cycle.
- A few jokes will add a final fillip to your speech.
a few cycles的相关资料：