| 单词 | open-frame |
| 释义 | > as lemmasopen-frame open-frame n. and adj. (a) n. an unenclosed frame; a frame which is not filled in; (b) adj. consisting of or relating to an open frame; spec. (of a girder) vertically articulated, not braced by any diagonal supports. ΚΠ 1824 Philos. Trans. (Royal Soc.) 114 4 An open frame of bell-metal..so contrived, as to present to least possible surface to obstruct the telescope. 1940 Chambers's Techn. Dict. 595/2 Open-frame girder, a girder consisting of upper and lower booms connected at intervals by (usually) vertical members, and not braced by any diagonal members. 1969 Jane's Freight Containers 1968–9 477/2 Tilt covered open-frame containers are available. 1984 R. Meier Richard Meier 217 The railed pit with a stairway leading down into it, underneath an open-frame canopy, is an excavation site. < as lemmas |
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