narrow angle coordinator

例句：

1. 1.The narrow angle coordinator is used to adjust the angle of the camera lens.
   狭窄角度协调器用于调整相机镜头的角度。
2. 2. The engineer used the narrow angle coordinator to optimize the system performance.
   工程师使用狭窄角度协调器来优化系统性能。
3. 3.The narrow angle coordinator helps in reducing the blurring effect during long exposures.
   狭窄角度协调器有助于减少长时间曝光时的模糊效果。