精研，，汉语词汇。 拼音：jīng yán 释义：1、精心研习。2、精深
精研机 Lapping machines ; fine-grinding machine ; grinding machine
无心精研机 centreless lapping machine ; Lapping machines, centerless
精研板 lapping plate
圆盘精研机 disk refiner
精研电机 JSCC
摆轴精研机 oscillating spindle lapping machine
超声精研机 ultrasonic lapping machine
精研圈 lapping ring
立式精研机 vertical lapping machine
发表在酒精研究季刊上的这篇1962年的研究受到了许多质疑。
Published in the Quarterly Journal for Studies on Alcohol, the 1962 study was received with much skepticism.
通过分析精研加工方法及精研液的性能，完善钢球加工工艺，提高钢球质量。
Through analysing the super grinding production method and the whet liquid performance, a technological process is improved and the steel ball quality is increased.
精研细读所有要素，弄清诗歌的主要张力，解释诗怎样通过解决这些张力而达到显性效应。
After carefully examining all elements, state the poem's chief overarching tension and explain how the poem achieves its dominant effect by resolving such tensions.
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