1) PVs protectedness
PV保护性程度
2) protective process
保护性过程
3) patent protection degree
专利保护程度
1.
Study on patent protection degree evaluation system and comparison of patent protection degree between china and U.S.A;
专利保护程度评价体系与中美保护程度比较
4) protection degree for property rights
产权保护程度
6) conservational farming system
保护性耕作制度
1.
Therefore,some published-data from long-term field experiments were used to construct assessment model of the change in soil organic carbon density induced by conservational farming systems in paddy fields in Yangtze Delta Plain.
依据该区近20多年来耕作制度演变动态,对保护性耕作制度的土壤碳收集效应进行了初步估算。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条