1.Conclusion: Using ultrasonic wave can speed up the velocity of reaction and improve extract effi. . .
结论：运用超声波法从扁蓄中可以提取出黄酮类物质，加快提取速度，提高提取效率。
2.It was shown that rare-earth metal oxide effi-cientely improve the structure and wear resistance of laser strengthened area.
研究表明，稀土金属氧化物能够显著改善激光强化区的组织和耐磨性能。
3.Conclusion: Great care could be required of appropriate dosage, treatment course and correct indications in order to assure the effi. . .
结论：临床应用应注意木通的剂量、疗程，掌握适应证。
4.You must use them carefully and effi ciently, of course, and rush them back for repairs after engagements.
你必须使用在受灾地，当然，冲他们回来后，为维修日程安排表。