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单词 subspace
释义

subspacen.

Brit. /ˈsʌbspeɪs/, U.S. /ˈsəbˌspeɪs/
Origin: Formed within English, by derivation. Etymons: sub- prefix, space n.1
Etymology: < sub- prefix + space n.1 With sense 2 compare earlier hyperspace n. at hyper- prefix 4.
1. Mathematics. A space (space n.1 17) that is wholly contained in another space, or whose points or elements are all in another space.
ΘΚΠ
the world > relative properties > number > geometry > geometric space > [noun] > within another
subspace1907
1907 Jrnl. Amer. Math. Soc. 8 296 In this space there must be one fixed subspace.
1931 H. P. Robertson tr. H. Weyl Theory of Groups & Quantum Mech. i. 20 ℜ is decomposed into mutually perpendicular sub-spaces.
1968 P. A. P. Moran Introd. Probability Theory v. 226 Particular subspaces of the space of all distributions.
2006 M. Ronan Symmetry & Monster xvii. 217 An infinite-dimensional space for the Monster..had sub-spaces of all the correct dimensions.
2. Science Fiction. Physical space which is subject to different physical laws from our own, typically allowing motion or communication at speeds greater than the speed of light.
ΘΚΠ
the world > the universe > space > [noun] > space-time
space warp1936
subspace1937
singularity1965
1937 Astounding Stories Aug. 103/2 The repulsor elements tapped subspace, and hence were unimpeded by any waves in normal space time.
1955 Mag. Fantasy & Sci. Fiction Aug. 106/1 The subspace radio had announced his coming, and preparations consonant with his exalted rank had been made.
1982 S. Cooper Black Fire i.118 The two messages had been sent out over subspace channels.
2003 C. L. Bennett in C. L. Bennett et al. Aftermath (2006) vi. 75 They, like you, used subspace for travel, to find new worlds for their growing population.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1907
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