1) Cycles of length four

四线循环
2) four greatness recurrence

四大循环
3) four circulations

四循环
1.
A four arrangements and four circulations macroscopic teaching model is presented in this article.
四层次四循环教学模式对学生能力由低到高划分培养顺序,将整门课程划分为4个层次、4个循环。
4) 4-Phase-Cycle

四阶循环
1.
An Exploration on 4-Phase-Cycle Training Model of Marketing Plan Specialty in Higher Vocational College;
高职营销策划专业“四阶循环”培养模式研究
5) four-phase cycle

四相循环
补充资料:循环系统的进化鱼的循环系统
李瑞端绘
[图]

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条