提高产量和质量
raising output and improving quality
烟叶产量和质量
Tobacco leave quantity and quality
质量和效能测试
quality and performance test
灌溉水生产效率和效益
Irrigation water productivity and economic efficie
K介子有效质量
effective masses of kaons meson
测量质量工程技术
measurement quality engineering technology
产量质量预测模型
output-quality prediction model