検索結果- 英語 - 多言語
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astral-project
(intransitive) To undergo astral projection.
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
project management
project managers
plural of project manager
project engineers
plural of project engineer
project engineer
An engineer who designs and coordinates engineering aspects of a construction project
pilot project
A proof of concept; an initial prototype.
complex projective line
(analytic geometry, projective geometry) A complex line (especially, the set of complex numbers regarded as such) endowed with a point at infinity (thus becoming a projective line); (more formally) the set of equivalence classes of ordered pairs (α, β) of complex numbers, not both zero, with respect to the equivalence relation "(α, β) ≡ (λα, λβ) for all nonzero complex λ".
complex projective lines
projective Hilbert space
The quotient of a Hilbert space by an equivalence relation which considers a pair of vectors equivalent iff they differ only by a factor which is a complex number.
real projective plane
(geometry) A three-dimensional vector space over the field of real numbers in which one-dimensional linear subspaces are considered as “points” and two-dimensional linear subspaces are considered as “lines”. Equivalently, a sphere in which pairs of antipodal points are considered as “points” and great circles are considered as “lines”.
