同期: 1.(同一个时期) the corresponding period 短语和例子产量比去年同期增加20%。 there is an increase in production of 20% above that of the corresponding period of last year.2.(同一届) the same term 短语和例子我们是同期毕业的。 we
Comparisons of the sequence with those reported from the lower cambrian of northwestern hunan province as well as lower cambrian ooid banks of central guizhou province would be of much implication 该风暴沉积的发现，对建立与黔中和湘西北同期地层的沉积学对比剖面、探讨风暴沉积模式的空间变化具有重要意义。
