| 单词 | quarter-elliptical |
| 释义 | > as lemmasquarter-elliptical quarter-elliptical adj. = quarter-elliptic adj. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > powered vehicle > parts and equipment of motor vehicles > [adjective] > types of suspension elements quarter-elliptic1909 quarter-elliptical1909 wishbone1934 1909 R. W. A. Brewer Motor Car xiv. 140 When quarter-elliptical springs are used they may be either shackled to the side springs or pinned to them direct. 1937 Times 13 Apr. p. vi/4 The front wheels..are independently sprung, there being four quarter-elliptical springs to each wheel. 1974 D. Broek Elem. Engin. Fracture Mech. iii. 80 The application of fracture mechanics to these ‘corner cracks’ (quarter-elliptical) and to ‘surface flaws’ or ‘part-through’ cracks (semi-elliptical) requires knowledge of the stress intensity factor. < as lemmas |
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