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cylinder    音標拼音: [s'ɪləndɚ] [s'ɪlɪndɚ]
n. 柱面
n. 圓筒,圓筒狀之物,汽缸

柱面圓筒,圓筒狀之物,汽缸

cylinder
磁柱; 圓柱

cylinder
柱

cylinder
n 1: a solid bounded by a cylindrical surface and two parallel
planes (the bases)
2: a surface generated by rotating a parallel line around a
fixed line
3: a chamber within which piston moves [synonym: {cylinder}, {piston
chamber}]
4: a cylindrical container for oxygen or compressed air

Cylinder \Cyl"in*der\ (s?l"?n-d?r), n. [F. cylindre, OF.
cilindre, L. cylindrus, fr. Gr. ky`lindros, fr. kyli`ndein,
kyli`ein, to roll. Cf. {Calender} the machine.]
[1913 Webster]
1. (Geom.)
(a) A solid body which may be generated by the rotation of
a parallelogram round one its sides; or a body of
rollerlike form, of which the longitudinal section is
oblong, and the cross section is circular.
(b) The space inclosed by any cylindrical surface. The
space may be limited or unlimited in length.
[1913 Webster]

2. Any hollow body of cylindrical form, as:
(a) The chamber of a steam engine in which the piston is
moved by the force of steam.
(b) The barrel of an air or other pump.
(c) (Print.) The revolving platen or bed which produces
the impression or carries the type in a cylinder
press.
(d) The bore of a gun; the turning chambered breech of a
revolver.
[1913 Webster]

3. The revolving square prism carrying the cards in a
Jacquard loom.
[1913 Webster]

{Cylinder axis}. (Anat.) See {Axis cylinder}, under {Axis}.


{Cylinder engine} (Paper Making), a machine in which a
cylinder takes up the pulp and delivers it in a continuous
sheet to the dryers.

{Cylinder escapement}. See {Escapement}.

{Cylinder glass}. See {Glass}.

{Cylinder mill}. See {Roller mill}.

{Cylinder press}. See {Press}.
[1913 Webster]

The set of {tracks} on a multi-headed {disk} that
may be accessed without head movement. That is, the
collection of disk tracks which are the same distance from the
spindle about which the disks rotate. Each such group forms
the shape of a cylinder. Placing data that are likely to be
accessed together in cylinders reduces the access
significantly as head movement ({seeking}) is slow compared to
disk rotation and switching between heads.

(1997-07-15)

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英文字典中文字典相關資料:
  • Cylinder - Wikipedia
    In some areas of geometry and topology the term cylinder refers to what has been called a cylindrical surface A cylinder is defined as a surface consisting of all the points on all the lines which are parallel to a given line and which pass through a fixed plane curve in a plane not parallel to the given line [12]
  • Cylinder - Shape, Formula, Examples | Faces Vertices Edges - Cuemath
    A cylinder is a three-dimensional solid figure which has a total of 3 faces, 2 edges, and no vertices Learn everything about a cylinder shape, formulas, net, properties, and types in this article
  • Cylinder - Definition, Properties, Types, Formulas, Examples
    What is a cylinder with properties, types, diagram Also learn how to find its volume and surface area with formulas solved examples
  • Cylinder | Shape, Formula and Examples - GeeksforGeeks
    A cylinder is a 3D geometric shape with two parallel circular bases connected by a curved surface The height (h) is the distance between the two circular bases, while the radius (r) is the distance from the center to the outer boundary of each base
  • Cylinder definition and properties - Math Open Reference
    A cylinder is a closed solid that has two parallel (usually circular) bases connected by a curved surface It can be a right cylinder or an oblique cylinder
  • Definition - BYJUS
    In mathematics, a cylinder is a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance These bases are normally circular in shape (like a circle) and the center of the two bases are joined by a line segment, which is called the axis
  • Spinning Cylinder - Math is Fun
    A cylinder is like a prism with an infinite number of sides, see Prism vs Cylinder It Doesn't Have to Be Circular When we say Cylinder we mean a Circular Cylinder, but you can also have Elliptical Cylinders, like this one:
  • Cylinder in Math - Definition, Formula, Area, Volume, Examples
    Such objects follow the structure of the three-dimensional shape called a cylinder A cylinder is made up of a rolled surface with a circular top and a circular base You can construct your own cylinder by folding a rectangle along its length and closing the rolled structure, thus formed with two identical circles at its top and bottom
  • Cylinder - Math. net
    A cylinder is a 3D geometric figure with two identical parallel bases (usually circles) and a curved surface that "wraps" around the bases In the figure below are two types of cylinders Below are some real-life examples of cylinders On the left is an image of a cylindrical pipe organ
  • Cylinder | Surfaces, Volume, Shapes | Britannica
    Cylinder, in geometry, surface of revolution that is traced by a straight line (the generatrix) that always moves parallel to itself or some fixed line or direction (the axis) The path, to be definite, is directed along a curve (the directrix), along which the line always glides





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