1) fixed number of years
年限
1.
By using the new "Flow State Scale",this study launches an investigation among the people practicing body-building in the clubs,and divides them into several groups for their differences on the aspects of training Items,fixed number of years,frequency and gender.
研究采用重新编译过的《流畅状态量表》对在健身俱乐部锻炼的人群分锻炼项目、年限、频率及性别不同作了调查。
2) year of grace
宽限年限
3) utilized years
利用年限
1.
Comparison of microbial biomass and enzyme activities in paddy soils with different utilized years in Cixi,Zhejiang Province;
浙江慈溪不同利用年限水稻土微生物生物量与酶活性比较
4) cultivation years
种植年限
1.
Two uplands of different reclamation years(since 1987 and 1993,respectively) were selected in our study to research the effect of cultivation years, precipitation,soil moisture and plant on N2O emission.
以三江平原沼泽湿地不同开垦年限(1987年、1993年开垦)的旱田(种植方式为大豆-冬闲)为研究对象,探讨了种植年限、降雨、土壤湿度以及植物参与对旱田N2O排放的影响。
2.
According to the data of field investigation for tea garden soil in Meng Ding mountain,the soil chemical properties and nitrogen mineralizations were analyzed under different cultivation years and different soil layers,through determination of chemical properties,mineralization-culturing experimentation.
为探讨蒙顶山茶园土壤肥力和供氮能力,本研究以茶园土壤为对象,实地采样,通过土壤基本化学特性测定和矿化培养实验,分析蒙顶山茶园不同种植年限和不同土层土壤的基本化学特性变化及土壤氮素矿化特征,以期为拟定合理的施氮量和提高氮肥的利用率提供科学依据。
5) utility duration
效用年限
补充资料：年限
1.规定的或作为一般标准的年数。
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