| 1. | This is essential for our mutual benefit . 这对我们的共同利益是必要的。 |
| 2. | It is essential for the candidate to be dressed properly and to look alive . 一个候选人必须衣着得体,看上去精神抖擞。 |
| 3. | A high weathercock frequency is essential for the stability of the guidance loop . 从制导回路的稳定性角度来看,短周期振荡频率高是基本的。 |
| 4. | Very favourable conditions are essential for the continuous and regular high production of orchard seed . 为了使种子圆种子获得持续正常的高产,必须有十分适宜的环境。 |
| 5. | The notation is essential for the practical application of a book classification scheme, and offers many practical advantages . 标记符号对于图书分类法的实际应用极为重要,而且具有许多实用的优点。 |
| 6. | The above problems are essential for this article 这几个问题是论及本文的基础。 |
| 7. | To me , that is essential for peace in the world 对我而言,这对世界和平至关重要。 |
| 8. | Your passport is essential for international travel 出国旅行,护照是不可或缺的。 |
| 9. | Roads are essential for the commercial vehicle operations 道路对于商业车辆是必需的 |
| 10. | Lifelong learning is essential for self - fulfillment 终生学习对于自我实现是必需的。 |