为了测量这种微小的变形，科学家们在引力探测- B计划中向太空发射了四个陀螺仪。

To measure these minor deformations, scientists sent four gyroscopes into space in a mission called Gravity Probe b.

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在Z 1内是提供国际太空站的态度控制的四个控制力矩陀螺仪。

Inside the Z1 are four control Moment Gyroscopes that provide the International Space Station's attitude control.

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