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| 1. | the 90 degree angle between two perpendicular lines. |
| 两条正交线之间的度角。 |
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| 2. | angle between cargo runners |
| 吊货索间夹角 |
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| 3. | angle between two spindles |
| 两主轴轴线间夹角 |
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| 4. | (in surveying)angle between this arc and the meridian |
| （测量中）方位角（此弧与子午圈之间的夹角）. |
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| 5. | angle between backrest and cushion |
| 靠背与座垫夹角 |
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| 6. | emission beam angle between half power points |
| 半功率点间的发射束角 |
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| 7. | angle between chord and tangent |
| 弦和切线的角 |
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| 8. | of an angle; between 90 and 180 degrees. |
| 指角；90度到180度之间的角。 |
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| 9. | crank angle between two limit positions |
| 极位夹角 |
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| 10. | Scattering angle is the angle between the scattered and incident directions. |
| 散射角是散射方向与入射方向之间的夹角。 |
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