catch frame 中文意思是什麼
catch frame
解釋
擋泥板；格柵-
This thesis first comprehensively introduced the domestic and international present research state and the development trend of the fem ( finite element method ) in the city bus design and the stress analysis research. it elaborated the application of the fem in the strength and stress concentration analysis of the bus body frame. the domestic research started later than abroad lags behind now, so we need to expedite the research speed to catch up the level of the international research
本文首先較全面地介紹了國內外客車設計與應力分析中應用有限元法進行研究的現狀和發展趨勢，論述了有限元法在客車車身骨架強度和應力集中分析中的應用，並闡明國內起步較晚所以與國外研究水平存在一定的差距，需要加快研究速度迎頭趕上。 -
A frame projecting above a scythe, used to catch grain as it is cut so that it can be laid flat
搖籃架大鐮刀上的突起框架，是用來使割下來的作物平整放置的配件
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