生长和繁殖性能
Reproduction rate and lamb performance
多年生和无性繁殖作物
perennial and asexual crops
问题和对策
Problems and solutions
Problems and counter measure
matter and countermeasure
Problems and countermeasures
Problem and tratics
problem and countermeasure
problems and countermeasure
问题的直观性和几何性
Graphic and image processing
问题的对策和优化
problem solution and optimization
稳压和降压联合吹管
pipe blowing using steady pressure and falling down pressure combination way
稳态和暂态
Steady state and transient state
稳态和动态模型
steady-state and dynamic model