The main problems are bring forward as well as the approaches to solve them, concerning the relay intercropping of maize and wheat in the studied region commonly existing at present.
指出了研究区域目前米麦间套作普遍存在的主要问题，根据该研究提出了解决问题的途径。
Fifth, bring forward the inadequacy of the present system and the perfect place to look to the future work to be done.
第五，提出本系统的不足和该完善的地方，展望未来要做的工作。
Fifth, bring forward the inadequacy of the present system and the perfect place to look to the future work to be done.
第五，提出本系统的不足和该完善的地方，展望未来要做的工作。
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