grid keying

例句：

1. 1. The robot's grid keying system is highly accurate.
   机器人的网格定位系统非常准确。
2. 2.The grid keying method is widely used in the field of data mining.
   网格定位方法在数据挖掘领域得到了广泛应用。
3. 3. The grid keying technique can effectively improve the efficiency of data processing.
   网格定位技术可以有效提高数据处理的效率。