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- The quantitative token of the residual age index of DDT in soils was primarily discussed,and the normalized residual time index(NRTI) of DDT was designed as one of the methods. 初步探讨了土壤中DDT残留时间的定量表征,设计出归一化的DDT残留时间指数(NRTI)作为定量表征土壤DDT残留时间的方法之一。
- The transfer from qualitative research to quantitative analysis showd the inevitable tendency of research on the residual age index of dichlorodiphenyltrichloroethane(DDT) in soils. 从定性研究逐步向定量化分析发展,是土壤DDT残留时间研究的必然趋势。
- In 1997,the valid tiller ending phase and maximum tiller phase delayed and leaf ages index increased in medium and late tillering phase under high-temperature. 1997年在分蘖中、后期持续高温，有效分蘖终止期和最高分蘖期向后延迟，叶龄指数增加。
- The aging football player was playing on the skids. 那个上了年纪的足球运动员很明显地在走下坡路。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Keywords colored paving asphalt aging dynamics gastel index aging index; 彩色道路沥青;老化;动力学;胶体不稳定指数;老化指数;
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻，均为我辈所欲，亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- He has always assorted with men of his age. 他总是与和他年令相仿的人交往。
- He's of an age when he ought to settle down. 他已经到了应该安顿下来的年龄了。
- Age stole onward and benumbed me more and more. 年纪渐老使得我(反应)越来越迟钝。
- The child is at an impressionable age. 这孩子正处于易受影响的年龄。
- That paper has yellowed with age. 那张纸因年代久远而泛黄了。
