precision of research

例句：

1. 1. The engineer used a laser to measure the precision of the machine.
   工程师使用激光测量机器的精度。
2. 2.The scientist conducted experiments to improve the precision of their measurements.
   科学家进行实验以提高他们的测量精度。
3. 3. The car's brake system has a high degree of precision, ensuring safe driving.
   汽车的刹车系统具有高度的精确度，确保安全驾驶。