interpolation of contours

例句：

1. 1. The software uses interpolation to estimate the missing data points.
   该软件使用插值法来估计缺失的数据点。
2. 2. The engineer used interpolation to predict the performance of the new engine.
   工程师使用插值法预测新引擎的性能。
3. 3. In interpolation, we assume that the values between two given points are linearly interpolated.
   在插值中，我们假设两个给定点之间的值是线性插值的。