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- Based on the energy conservation relation and some assumptions, an one-dimensional physical model is proposed to predict the velocity of the metallic flyer plates driven by magnetic field. 摘要从能量守恒关系出发，在一定假设的基础上，提出了一个近似估计磁驱动金属飞片速度的一维物理模型。
- Our community is a leader in the conservation of wildlife. 我们社区在野生动物保护方面走在前头。
- Who discovered the conservation of energy? 谁发现了能量守恒？
- Relations were slow to normalize after the war. 战后国际正常关系恢复缓慢。
- Conservation is of the utmost importance. 保护自然资源至关重要。
- The two countries have severed their relations. 这两个国家已经断绝关系。
- They listened to his discourse on human relations. 他们听他作关于人际关系的演讲。
- Race relations is a sensitive issue. 种族关系是敏感的问题。
- Conservation methods will also help meet their energy needs. 能量保存方法也会有利于满足其能源需求。
- She has no relations besides an aged aunt. 她除了有一个年老的伯母以外，再没有亲戚了。
- Our relations with Japan needed a reappraisal. 我们与日本的关系需要重新作出评价。
- Our object is to further cement trade relations. 我们的目标是进一步加强贸易关系。
- A concrete wall is built to stop silt from leaking to the conservation land. 一道水泥墙修筑起来，用以防止泥沙流进保留地。
- She has shown a flair for public relations from the beginnings. 他从一开始就已经显露出从事公共关系工作的天赋。
- Those two countries have broken off diplomatic relations again. 那两个国家再次终止了交往。
- Most people have come to accept the need for conservation of natural resources. 现在大多数人已认识到保护自然资源的必要。
- He leans politically towards conservation. 他在政治上倾向于保守主义。
- Relations between the two countries are on a collision course. 这两个国家的关系沿着直接冲突的路线发展。
- The changes were not productive of better labour relations. 这些改变并未能使劳资关系获得改善。
- Don't let this trifling matter affect our harmonious relations. 别为小事伤了和气。
