| 1. | In 1728 euler gave differential equations for geodesics on surfaces .
1728年，奥伊勒绘出了曲面上测地线的微方程。 |
| 2. | Light streaks on surface of flow are traces of highly reflective flakes .
流动表面上的亮条纹是高度反光的薄片的轨迹。 |
| 3. | Light streaks on surface of flow are traces of highly reflective flakes .
流动表面上的亮条纹是高度反光的薄片的轨迹线。 |
| 4. | He says that, to crown the introduction of plane curves, one should study curves on surfaces .
他说，为进一步发展平面曲线论，应该研究曲面上的曲线。 |
| 5. | The theory of surfaces made a slow start. it began with the subject of geodesics on surfaces .
曲面理论也经历了一个漫长的开端，曲面理论是从曲面上的测地线的研究开始的。 |
| 6. | Research on surface arc spraying of parts and components
零部件表面电弧喷涂研究 |
| 7. | Study on surface modification of ground calcium carbonate
重质碳酸钙表面改性研究 |
| 8. | Analysis of abnormal structure on surface of spring 3cr
13弹簧表面异常组织分析 |
| 9. | Study on surface subsidence in panji mining area
淮南潘集地区地表沉降初步研究 |
| 10. | Effect of dip angle of orebody on surface subsidence
矿体倾角对地表沉降的影响研究 |
