Is its meaning the same as in earlier periods ?

其含义是与其早先的各个时期相同吗？

Some funds have lock-ins or long redemption notice periods .

一些基金设有投资锁定期或较长的赎回通知时间段。

Like trees , stalagmites are often composed of concentric layers that represent annual growth periods .

同树木一样，石笋通常也有能显示其年生长周期的年轮。

If everyone 's putting periods at the end of their sentences , put yours in the middle of words .

如果大家都把句号放在句尾，那自己就把句号放在句中。

Many schools of paintings were in these periods .

在这个时期产生了许多绘画学派。