A necessary and sufficient condition of the existence of primemodel is proved.
研究了主型的有关性质,证明了一个素模型存在的充分必要条件。
2
Communicative polymer is a sentence transformation that keeps the content unchanged in a primemodel sentence.
转换聚合体则是保留原始模型句内容不变的句子转换。
3
When a practical goal is involved, however, Benjimin Franklin may best be regareded as a role model in this respect and asking people for advice often turn out to be the prime alternative.