Listing 1 is a sample learning overview topic from the pilot course.
清单1是来自示范课程的示例学习概述主题。
2
There are usually three main features about the pilot plant test sample:large mass and large grain size of samples, difficulty to control the sample grade.
半工业选矿试样一般有三大特点：质量大、矿岩石样粒度大及控制送样品位难度大。
3
All forms should be pilot tested using a representative sample of the studies to be reviewed.