This three-cycle scheme is a pointer to the main theoretical flaw in the book.
安排这三个周期预示了此书的主要理论错误。
2
The three-cycle fermentations, distillation and reuse were discussed. The practical significance and the application value were described…
论述了三轮底工艺发酵、蒸馏及其再利用，阐明了三轮底工艺在生产中的实际意义和推广价值。
3
The three most important nutrient recycles are the nitrogen cycle, the carbon cycle and the one we are going to talk about today, the Phosphorus cycle.