This paper presents a new method for measuring hot-rolled steel sheet, and makes a system analysis about the shortage of the current methods of measuring the thickness of hot-rolled steel.
本文针对目前热轧钢板的厚度测量方法所存在的问题做出系统的分析，提出了一种新型的测量热轧钢板的方法。
This thesis arises from shortage of rural labors in Pearl River delta and reveals that shortage of rural labors in essence is a phenomenon of system which is peculiar to China by theoretical analysis.
本文以珠三角“民工荒”现象为切入点，从理论上分析“民工荒”现象，揭示“民工荒”现象是我国的一个制度现象。
This thesis arises from shortage of rural labors in Pearl River delta and reveals that shortage of rural labors in essence is a phenomenon of system which is peculiar to China by theoretical analysis.
本文以珠三角“民工荒”现象为切入点，从理论上分析“民工荒”现象，揭示“民工荒”现象是我国的一个制度现象。
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