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projection    音标拼音: [prədʒ'ɛkʃən]
n. 发射,计划,突出部分,设计,推测

发射,计划,突出部分,设计,推测

projection
投影;推演

projection
投影 推演

projection
n 1: a prediction made by extrapolating from past observations
2: the projection of an image from a film onto a screen
3: a planned undertaking [synonym: {project}, {projection}]
4: any structure that branches out from a central support
5: any solid convex shape that juts out from something
6: (psychiatry) a defense mechanism by which your own traits and
emotions are attributed to someone else
7: the acoustic phenomenon that gives sound a penetrating
quality; "our ukuleles have been designed to have superior
sound and projection"; "a prime ingredient of public speaking
is projection of the voice" [synonym: {projection}, {acoustic
projection}, {sound projection}]
8: the representation of a figure or solid on a plane as it
would look from a particular direction
9: the act of projecting out from something [synonym: {protrusion},
{projection}, {jut}, {jutting}]
10: the act of expelling or projecting or ejecting [synonym:
{expulsion}, {projection}, {ejection}, {forcing out}]

Projection \Pro*jec"tion\, n. [L. projectio: cf. F. projection.]
[1913 Webster]
1. The act of throwing or shooting forward.
[1913 Webster]

2. A jutting out; also, a part jutting out, as of a building;
an extension beyond something else.
[1913 Webster]

3. The act of scheming or planning; also, that which is
planned; contrivance; design; plan. --Davenant.
[1913 Webster]

4. (Persp.) The representation of something; delineation;
plan; especially, the representation of any object on a
perspective plane, or such a delineation as would result
were the chief points of the object thrown forward upon
the plane, each in the direction of a line drawn through
it from a given point of sight, or central point; as, the
projection of a sphere. The several kinds of projection
differ according to the assumed point of sight and plane
of projection in each.
[1913 Webster]

5. (Geog.) Any method of representing the surface of the
earth upon a plane.
[1913 Webster]

{Conical projection}, a mode of representing the sphere, the
spherical surface being projected upon the surface of a
cone tangent to the sphere, the point of sight being at
the center of the sphere.

{Cylindric projection}, a mode of representing the sphere,
the spherical surface being projected upon the surface of
a cylinder touching the sphere, the point of sight being
at the center of the sphere.

{Globular}, {Gnomonic}, {Orthographic}, {projection},etc. See
under {Globular}, {Gnomonic}, etc.

{Mercator's projection}, a mode of representing the sphere in
which the meridians are drawn parallel to each other, and
the parallels of latitude are straight lines whose
distance from each other increases with their distance
from the equator, so that at all places the degrees of
latitude and longitude have to each other the same ratio
as on the sphere itself.

{Oblique projection}, a projection made by parallel lines
drawn from every point of a figure and meeting the plane
of projection obliquely.

{Polar projection}, a projection of the sphere in which the
point of sight is at the center, and the plane of
projection passes through one of the polar circles.

{Powder of projection} (Alchemy.), a certain powder cast into
a crucible or other vessel containing prepared metal or
other matter which is to be thereby transmuted into gold.


{Projection of a point on a plane} (Descriptive Geom.), the
foot of a perpendicular to the plane drawn through the
point.

{Projection of a straight line of a plane}, the straight line
of the plane connecting the feet of the perpendiculars let
fall from the extremities of the given line.
[1913 Webster]

Syn: See {Protuberance}.
[1913 Webster]
[1913 Webster]

312 Moby Thesaurus words for "projection":
Lambert conformal projection, Mercator projection,
Miller projection, acting, actualization, aeronautical chart,
alienation, alphabet, archery, art, astronomical chart, atlas,
autism, autistic thinking, avoidance mechanism,
azimuthal equidistant projection, azimuthal projection, bas-relief,
beetling, bellying, blame-shifting, blueprint, boldness, brouillon,
buffoonery, bulge, bulging, bump, bunch, business, calculation,
cartographer, cartography, cartoon, casting, celestial chart,
celestial globe, charactering, characterization, chart,
choreography, chorographer, chorography, chucking, climatic chart,
cog, comb, compensation, conic projection, contour line,
contour map, conventional representation, copy, crag,
cylindrical projection, dance notation, decompensation,
defense mechanism, delineation, demonstration, depiction,
depictment, dereism, dereistic thinking, design, diagram,
displacement, display, dissociation, draft, drama, drawing,
ebauche, elevation, embossment, eminence, emotional insulation,
enactment, escape, escape into fantasy, escape mechanism, escapism,
esquisse, estimate, excrescence, excrescency, exemplification,
exhibit, exhibition, exposition, exposure, extension,
exteriorization, externalization, extrapolation, extrusion, fang,
fantasizing, fantasy, figuration, figure, firing, flange, flight,
flinging, forecast, gag, game plan, general reference map,
gibbosity, gibbousness, globe, gnomonic projection, graph,
graphic scale, grid line, ground plan, gunnery, hachure, ham,
hammy acting, harrow, heaving, heliographic chart, hieroglyphic,
high relief, hoke, hokum, hook, house plan, hurling,
hydrographic chart, ichnography, iconography, ideogram,
illustration, imagery, imaging, impendence, impendency,
impersonation, index, isolation, isoline, jaculation, jag, jut,
jutting, knob, latitude, layer tint, ledge, legend, letter,
limning, lobbing, logogram, logograph, longitude, low relief, map,
map maker, map projection, mapper, mapping, meridian, mimesis,
mimicking, mimicry, miming, mummery, musical notation, musketry,
negativism, notation, objectification, opening, ostentation,
outcropping, outline, outlining, overacting, overcompensation,
overhang, overhanging, pantomiming, parallel, patter, pattern,
peak, pecten, performance, performing, personation,
photogrammetrist, photogrammetry, photomap, phototopography,
physical map, pictogram, picturization, pitching, plan, planning,
playacting, playing, plot, point, political map,
polyconic projection, portraiture, portrayal, prediction,
prefigurement, presentation, presenting, presentment, printing,
production, profile, prognostication, project, prolongation,
prominence, proposal, proposition, prospectus, protrusion,
protuberance, protuberancy, psychotaxis, rake, ratchet,
rationalization, realization, reckoning, relief, relief map,
rendering, rendition, representation, representative fraction,
resistance, retrospective, ridge, road map, rough, salience,
salient, sawtooth, scale, scenario, schema, scheme, score, script,
shooting, show, showing, sinusoidal projection, skeet,
skeet shooting, skeleton, sketch, slapstick, slinging, snag,
snaggle, sociological adjustive reactions, special map, spine,
spire, sprocket, spur, stage business, stage directions,
stage presence, steeple, stunt, sublimation, substitution,
swelling, syllabary, symbol, tablature, table, taking a role,
terrain map, terrestrial globe, thematic map, throwing, tooth,
topographer, topographic chart, topography, trajection,
transportation map, trapshooting, tuberosity, tuberousness,
unfolding, unfoldment, unveiling, varnishing day, vernissage,
weather chart, weather map, wish-fulfillment fantasy,
wishful thinking, withdrawal, working drawing, writing


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