科学技术是第一生产力
science and technology are the first productive fo
Science and technology are the primary productive forces
净第一性生产力
Net primary productivity NPP
net primary productivity
NPP
blind-stitch machine
net primary production
净第一性生产力NPP
Net primary productivity NPP
net primary productivity
Net Primary Production NPP
林地植被净第一性生产力
Forest vegetation net primary productivity
植被净第一性生产力植被NPP
Vegetation Net Primary Productivity NPP
总第一性生产力
gross primary productivity