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hub    音标拼音: [h'ʌb]
n. 毂,木片,中心;
中继站,(在FIDONEET中,它负责为NODELIST 、FIDONEWS及NET
MAIL进行传送)

毂,木片,中心; 中继站,(在FIDONEET中,它负责为NODELIST 、FIDONEWS及NET MAIL进行传送)

hub
转接器

hub
孔 集线器 插座

hub
n 1: the central part of a car wheel (or fan or propeller etc)
through which the shaft or axle passes
2: a center of activity or interest or commerce or
transportation; a focal point around which events revolve;
"the playground is the hub of parental supervision"; "the
airport is the economic hub of the area"

Hub \Hub\ (h[u^]b), n. [See 1st {Hob}.]
1. The central part, usually cylindrical, of a wheel; the
nave. See Illust. of {Axle box}.
[1913 Webster]

2. The hilt of a weapon. --Halliwell.
[1913 Webster]

3. A rough protuberance or projecting obstruction; as, a hub
in the road. [U.S.] See {Hubby}.
[1913 Webster]

4. A goal or mark at which quoits, etc., are cast.
[1913 Webster]

5. (Diesinking) A hardened, engraved steel punch for
impressing a device upon a die, used in coining, etc.
[1913 Webster]

6. A screw hob. See {Hob}, 3.
[1913 Webster]

7. A block for scotching a wheel.
[1913 Webster]

8. The central location within which activities tend to
concentrate, or from which activities radiate outward; a
focus of activity.
[PJC]

9. Hence: (Aeronautics) A large airport used as a central
transfer station for an airline, permitting economic air
transportation between remote locations by directing
travellers through the hub, often changing planes at the
hub, and thus keeping the seat occupancy rate on the
airplanes high. The hub together with the feeder lines
from remote locations constitute the so-called

{hub and spoke system} of commercial air passenger
transportation. A commercial airline may have more than
one such hub.
[PJC]

10. The city of Boston, Massachusetts referred to locally by
the nickname {The Hub}.
[PJC]

{Hub plank} (Highway Bridges), a horizontal guard plank along
a truss at the height of a wagon-wheel hub.

{Up to the hub}, as far as possible in embarrassment or
difficulty, or in business, like a wheel sunk in mire;
deeply involved. [Colloq.]
[1913 Webster]


nave \nave\ (n[=a]v), n. [AS. nafu; akin to D. naaf, G. nabe,
OHG. naba, Icel. n["o]f, Dan. nav, Sw. naf, Skr. n[=a]bhi
nave and navel: cf. L. umbo boss of a shield. [root]260. Cf.
{Navel}.]
1. The block in the center of a wheel, from which the spokes
radiate, and through which the axle passes; -- called also
{hub} or {hob}.
[1913 Webster]

2. The navel. [Obs.] --hak.
[1913 Webster]

88 Moby Thesaurus words for "hub":
approach, arbor, asymptote, axis, axle, axle bar, axle shaft,
axle spindle, axle-tree, bottleneck, center, center of action,
center of gravity, centroid, centrum, chimney, chimney corner,
collision course, concentralization, concentration, concourse,
concurrence, confluence, conflux, congress, convergence,
converging, core, crossing, dead center, distaff, epicenter,
fender, fire screen, fireboard, fireguard, fireplace, fireside,
flue, focal point, focalization, focus, fulcrum, funnel, gimbal,
gudgeon, heart, hearth, hearthstone, hinge, hingle, hob, ingle,
inglenook, ingleside, kernel, mandrel, marrow, medulla, meeting,
metacenter, middle, mutual approach, narrowing gap, nave, navel,
nerve, nub, nucleus, oarlock, omphalos, pin, pintle, pith, pivot,
pole, radiant, radius, rowlock, seat, smokehole, spindle, spokes,
storm center, swivel, tangent, trunnion, umbilicus


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