A good class is a fertile soil in which the student grows.
一个好的班级体是学生成长的沃土。
2
The system can be also used to class and recognize soil pattern from remote sensing image, and to examine and evaluate the classification precision.
该系统可以对遥感图像进行土壤类型的分类识别，并对分类精度进行监测与评价。
3
Recently we held a class meeting to discuss the problem of "Good care environment, protect the earth". As we can see, the climate anomalies in the air, water, soil and other serious pollution.