2) Period of crop rotation
轮作年限
3) intercropping period
间作年限
4) duration of the cooperative operation
合作年限
5) work duration
工作年限
1.
Objective To understand the views of most suitable work duration of nurses who had participated in rescue for wounded people in groups,so as to provide the basis for quick choosing of more suitable nurses and thus more speedy rescue and better effect.
目的了解护士对自身在抢救成批伤员过程中最适宜工作年限的看法,为决策者在应对成批伤员抢救时快速地选派合适的护理人员,提高救治速度和效果提供依据。
6) Cultivation age
耕作年限
1.
Cultivation age could influence fractal property of soil particles in soil profiles through changing distribution of clay content.
应用基于土壤颗粒体积分布确定土壤颗粒大小分布分形维数的方法,对浙江慈溪耕作年限分别为50、100、500、700、1000和2000年的水稻土土壤颗粒体积分形特征进行了研究。
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