2) activate(deactivate) element
有效(无效)因素
3) efficiency determinants
效率性因素
4) phosphorus availability
磷素有效性
1.
Influence of earthworm activities on phosphorus availability of red soil and activated mechanism induced by earthworm;
蚯蚓活动对红壤磷素有效性的影响及其活化机理研究
5) nitrogen availability
氮素有效性
1.
Interactions of vegetation type,environmental factor,and nitrogen availability to soil N2O emission should be further studied in the future.
植被类型与环境因子及氮素有效性对N2O通量的相互作用将是未来研究的重点。
6) The effective earthquake-reflecting factor
有效映震因素
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
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