In recent years, magnetic frustration becomes a fascinating subject of experimental and theoretical research.
磁学中的阻挫现象近些年来是实验及理论研究的热点。
Experimental and theoretical research has improved that hole cleaning detecting is efficient by monitoring annular pressure change.
研究表明，利用环空压力变化可以有效监测井眼清洁程度。
This paper describes an experimental and theoretical research on the void fraction of two-phase flow in horizontal helically coiled tubes .
本文从试验和理论两方面详细地研究了卧式螺旋管内气液两相流截面含汽率的分布与变化规律。
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