大家都搜：
平静期；肃静时间
1、periods kit───周期工具包
2、periods───n.周期（period的复数）
3、briefer periods───短周期
4、critical periods───关键期；[植]临界期
5、periods cramps───经期抽筋
6、quiet───vi.平静下来；adj.安静的；安定的；不动的；温顺的；n.安静；和平；vt.使平息；安慰
7、historical periods───历史阶段
8、periods definition───周期定义
9、irregular periods───[医]不规则[YueJing]周期
1、No one ever asks me during the quiet periods if earthquakes are becoming less frequent.───这就是为什么在平静时期，从来没有人问我地震是否变少了的原因。
2、We would schedule these tasks during relatively quiet periods.───我们应该将这些任务安排在XiTong相对安静的时期。
3、The data, however, show sudden bursts of activity and long quiet periods.───然而，数据显示的却是突然爆发的袭击行动和很长的平静时期。
4、They could also impose quiet periods or mobile-free cabins.───他们还可以规定静默期或禁止使用手机舱。
5、I fill my schedule with bookings months in advance, which allows me to see where the quiet periods are in my calendar.───我提前数月安排了日程，这好让我明白，我有哪些安静的时期。
6、In quiet periods when there are fewer calls to handle, such as the middle of the night, some base-stations can be turned off.───在午夜这样没有多少电话需要处理的安静时段，一些基站就可以关闭。