spatial interpolation

例句：

1. 1. Spatial interpolation is a technique used to estimate the value of a variable at points not directly sampled by the data.
   空间插值是一种技术，用于估计在数据未直接采样的点处变量的值。
2. 2. In spatial interpolation, the values at neighboring points are used to estimate the value at the point in question.
   在空间插值中，邻近点的值为所询问点的估计值。
3. 3. The accuracy of spatial interpolation depends on the quality and quantity of the data available.
   空间插值的准确性取决于可用的数据的质量和数量。