n.规律性；规则性；匀整；定期

The idea is to maintain the regularity of the heartbeat. 问题就是要维持心跳的规律性。

There is nothing like routine and regularity for preserving one's peace of mind. 日常事物和规律性活动最能保持人的心境平衡。

An EKG test measures the rate and regularity of your child's heartbeat. 心电图能够测量出孩子的心跳的速度和规则性。

They meet with great regularity. 他们定期会面。

The great characteristic of the Nile is the regularity of its floods. 尼罗河的最大特征就是河水定期泛滥。