In the introduction, this article makes a simple discussion of the relation among technological progress, technological introduction policy and economic growth.
导言部分就技术进步、技术引进政策与经济增长的相互关系做开题性探讨。
This article makes an introduction of a simple and reliable method to determine single pile static load by adoption of fast load-keeping method in order to verify calculation of R.
以快速维持荷载法测定单桩静载荷，来检验钢筋混凝土预制方桩的设计计算，是一种简捷和较为可靠的方法。
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