From quanta mechanical Angle looks, vacuum is not stable.

从量子力学的角度看，真空并不不乱。

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By modeling the mechanical part, Angle and motor of the ball-beam system, the simplified transfer function of the ball-beam system is obtained.

通过建立球杆系统机械部分模型、角度模型和电机模型，简化后得到了整个球杆系统的传递函数。

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Effects of mechanical heterogeneity on fracture toughness and crack deviation Angle of the joints were investigated by experiment.

通过试验研究了力学不均匀性对接头断裂韧性和裂纹开裂角的影响。

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The Plan B would drill at an 85 degree angle into an area of mine shaft that is used as a mechanical workshop.

CNN: New drill arrives in Chile with great fanfare

Under Plan B, a hole is being drilled at a roughly 80-degree angle into an area of the mine shaft that is used as a mechanical workshop.

CNN: STORY HIGHLIGHTS