| 释义 |
subsurface|ˈsʌbsɜːfɪs|
[sub- I.]
I.
1. That which lies immediately below the surface, e.g. the subsoil.
1778W. H. Marshall Min. Agric. 12 Dec. 1776, Rough harrows, which tore up the plits, and shook still more of the seed down to the sub-surface. 1884H. Spencer in Contemp. Rev. July 31 The will of the majority is valid respecting the modes in which.. parts of the surface or subsurface, may be utilized.
2. Math. In five-dimensional geometry, a three-dimensional continuum.
1873Cayley Math. Papers (1896) IX. 79 note, In explanation of the nomenclature [sc. five-dimensional space], observe that in 5 dimensional geometry we have: space, surface, subsurface, supercurve, curve, and point-system, according as we have between the six coordinates 0, 1, 2, 3, 4, or 5 equations.
II. as adj. [see sub- 1 e.] Existing, lying, or operating under the surface (as of the earth or water).
1875J. Croll Clim. & Time App. 553 Subsurface-water, or the stratum immediately below it. 1885L. Oliphant sympneumata 101 The subsurface world. 1888Athenæum 18 Aug. 215/1 Sympneumatic and subsurface consciousness. 1894Q. Rev. Apr. 371 They are abundant in all surface and subsurface waters. 1894Geol. Mag. Oct. 466 The downward creep of the surface and sub-surface soil. 1900Pop. Sci. Monthly Mar. 533 Where sewers and subsurface pipes have not yet been laid. 1902Westm. Gaz. 31 Dec. 6/3 The construction of sub-surface torpedo boats. |