We might marvel at the progress made in every field of study, but the methods of testing a person's knowledge and ability remain as primitive as ever they were.

对各个学科所取得的进步我们或许会感到吃惊，但是测试人们知识和能力的方法仍像过去一样原始。

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Rhizo-box and field cultivation methods were used to study the delpletion and accumulation of organic P in maize rhizosphere on blackland and chernozem.

利用根盒培养和田间栽培方法，研究了黑土和黑钙土玉米根际有机磷的亏缺和积累的状况。

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So the study makes an easy way for launching research of MLRS and prepares for applying some mathematics methods (such as CADET) in the statistic field of MLRS.

也为采用某些数学方法(如协方差描述函数法)进一步研究火箭发射系统的统计性能作了必备的前提工作。

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Unlike earlier research, which often used video clips or other methods to simulate crimes and witnesses, the Illinois study was the first and only one to compare the two methods in the field using actual cases.

ECONOMIST: A controversy over how to handle eyewitnesses