如果没有新的电池和陀螺仪，哈勃将失去动力并且无法指向正确的方向。
Without new batteries and new gyroscopes it would lose both the power and the ability to point in the right direction.
iPhone4的陀螺仪则支持更多动作感知功能，比如跟踪方向、速度和旋转等。
And in the iPhone 4, a new gyroscope allows for additional motion-sensing capabilities, too, like the ability to track orientation, velocity and rotation.
对于偏航角度，由于偏航角和重力方向正交，无法用加速度计测量得到，因此还需要采用其他设备来校准测量偏航角度的陀螺仪的漂移值。
For yaw, which is orthogonal to gravity, the accelerometers can't help you, so you need something else to correct your drifting yaw gyro.
如果飞行器尝试摇摆，检查螺旋桨和电机旋转方向，陀螺仪位置和遥控器微调。
If it tries to twist away, check propeller and motor directions, gyro placement and trim Settings. A slight twist is OK.
NXT陀螺仪传感器返回每秒旋转的角度数值，同时表示出旋转的方向。
The NXT Gyro Sensor returns the number of degrees per second of rotation as well as indicating the direction of rotation.
在实现寻北功能后，再通过施加力矩的方法使陀螺仪主轴转到真北方向，使系统工作于方位仪模式，则陀螺主轴就能始终保持在真北方位上，不断地指示车体相对北向方位的方位角。
After that, rotating the sensitive axis of the gyro to point the true north, the instrument is working in the azimuth mode to constantly display azimuth angle of the carrier.
周五早晨，宇航员将要安装六台新的陀螺仪。陀螺仪有着至关重要的作用，因为它们将帮助望远镜指向正确的方向。
Astronauts on Friday morning will try to install six new gyroscopes, which are crucial because they help the telescope point in the right direction.
周五早晨，宇航员将要安装六台新的陀螺仪。陀螺仪有着至关重要的作用，因为它们将帮助望远镜指向正确的方向。
Astronauts on Friday morning will try to install six new gyroscopes, which are crucial because they help the telescope point in the right direction.
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