preformed stemming

例句：

1. 1.The preformed stemming method is used to simplify the structure of a sentence.
   预成形的缩合式方法被用来简化句子的结构。
2. 2.The preformed stemming method has been widely adopted in many countries.
   预成形的缩合式方法已经被许多国家广泛采纳。
3. 3.The preformed stemming method can help us better understand the meaning of a sentence.
   预成形的缩合式方法可以帮助我们更好地理解句子的含义。