practical problem
短语词组
- practical theoretical problem 现实理论问题
- practical l problem 实际问题
- practical breeding problem 实际育种问题
- practical engineering problem 实际工程问题
- open practical problem 开放性应用题
- Solved Practical Problem 解决适用性问题
- a practical problem 具体问题
- theory and practical problem 理论与实践问题
- theoretical and practical problem 理论与实践课题 返回 practical problem