| 释义 |
sub-base
1. [sub- 3.]
a. Archit. The lowest part of a base which is divided horizontally.
1826Britton Exeter 91 A charge of 5l. 6s. 8d. for four columns, with bases, sub-bases, and capitals. 1851Pugin Chancel Screens 29 [The screen] of S. Mark [Venice] is open above the subase [sic].
b. A base placed under the bottom of a machine or other apparatus to raise it higher from the ground.
1904Electr. Rev. 24 Sept. 489 The whole turbine..being mounted on a sub-base.
2. [sub- 5 b.] A secondary base.
1903Science 9 Oct. 478 Mr. Peary..will..after establishing a sub-base there, force his way northward to the northern shore of Grant Land. |