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| 11. | The determination of the critical wind velocity is one of the main targets. |
| 失稳临界风速的确定是其主要内容之一。 |
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| 12. | Based on this formula, the relationship between critical velocity and vibration boom of track was investigated |
| 在此基础上,研究了轨道临界速度与轨道强振动的关系,分析了轨道基础弹性模量和轨道抗弯刚度对轨道临界速度及轨道振动的影响。 |
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| 13. | critical flow velocity |
| 临界临 |
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| 14. | critical wind velocity |
| 临界风速 |
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| 15. | critical equatorial velocity |
| 临界赤道速度 |
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| 16. | Correlation of critical mass velocity has been provided. |
| 文中还给出了临界质量流速的试验关联式。 |
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| 17. | upper critical cooling velocity |
| 上临界冷却速度 |
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| 18. | on analyzing the kinematics mechanism of ultrasonic vibration drilling, the calculating formulas of critical |
| 通过对超声振动钻削的运动学分析，推导了临界钻削速度的计算公式，并分析了超声振动钻削提高孔径质量的机理。 |
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