大豆轮作-连作
Rotation continuous cropping
连年作业平均收利率
Mean annual rate of interest for annual working
林业连年作业利益
Profit of forestry for annual working
轮作—连作
Rotation and continuous cropping
工作年限损失
backward learning algorithm
合作年限
duration of the cooperative operation
设计使用年限100年
Design Useful Life of 100 Years
大豆连作
soybean continuous cropping
Continuous soybean cropping
Continuous soybean
大豆连作障碍
Soybean monocropping barriers
大豆重茬和连作
soybean continuous cropping
稻—稻连作制
continuous rice-rice cropping system
稻麦连作
Rice-wheat continuous cropping