rotation
                                                    英 [rə(ʊ)'teɪʃ(ə)n]
                                                                        美 [ro'teʃən]
                        
                
                
                
                
                    
                                    
                
                                                                                                        rotation 英文词源
                
                
                    
                        - rotation (n.)
- 1550s, from Latin rotationem (nominative rotatio) "a turning about in a circle," noun of action from past participle stem of rotare "turn round, revolve, whirl about, roll," from PIE *ret- "to run, roll" (see rotary).
 
                
                                                    rotation 双语例句
                
                
                    1. Within the project, trees are selectively cut on a 25-year rotation.  按照这个计划,将以25年为一个轮伐期对树木进行有选择的砍伐。 来自柯林斯例句
 - 2. the diurnal rotation of the earth 
- 地球的周日自转
来自《权威词典》
 
- 3. the daily rotation of the earth on its axis 
- 地球每天的自转
来自《权威词典》
 
- 4. Crop rotation helps prevent soil erosion. 
- 农作物轮作有助于防止水土流失.
来自《简明英汉词典》
 
- 5. By using the lattice - rotation model, the screw and edge dislocation densities of the samples were calculated. 
- 通过使用晶格旋转(Lattice-rotation)模型拟合, 计算出样品的螺位错密度和刃位错密度.
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