on a regular basis
定期地；经常地
Naismith later wrote 13 rules which are the basis of modern basketball rules.
奈史密斯后来定了13条规则，这些规定成为现代篮球规则的基础。
On the basis of those facts, we can reach the following conclusion.
根据那些事实，我们可以得出以下结论。