instrument direction

例句：

1. 1.The instrument direction is crucial for the experiment's success.
   仪器方向对于实验的成功至关重要。
2. 2.The researcher adjusted the instrument direction to optimize the data collection.
   研究者调整了仪器方向以优化数据收集。
3. 3. The scientist used the instrument direction to measure the angle of the object.
   科学家使用仪器方向来测量物体的角度。