centrals

1

The difference between enhancement rate of tumor edges , tumor centrals and hepatic parenchyma has statistical significance .

增强早期病灶边缘、肝实质和病灶中央三者的强化率有显著的统计学差异，且两两之间的强化率均存在统计学差异。
2

By using mode of combining form thinking , this new model challenge old model of imparting knowledge to accepting knowledge of " three centrals ", and lead to overall and profound revolution in 21st century higher education .

主要是运用组合思维的方法，以新的创新教育模式来挑战三中心的传授知识→接受知识的旧模式，并希望引发高等体育教学领域一场全面、深刻的革命。