rule and characteristic

• 规律和特征

rule and characteristic的用法和样例：

例句

1. Let's get to know the names of its parts and features.
   我们来认识圆柱各部分名称和特征。
2. It's time to determine whether candidates have such aptitudes and characteristics.
   现在是确定候选人是否具有这样的能力和特征问题的时候了。