[计] 移位, 移位操作

Shift \Shift\ (sh[i^]ft), v. t. [imp. & p. p. {Shifted}; p. pr.
& vb. n. {Shifting}.] [OE. shiften, schiften, to divide,
change, remove. AS. sciftan to divide; akin to LG. & D.
schiften to divide, distinguish, part Icel. skipta to divide,
to part, to shift, to change, Dan skifte, Sw. skifta, and
probably to Icel. sk[=i]fa to cut into slices, as n., a
slice, and to E. shive, sheave, n., shiver, n.]
1. To divide; to distribute; to apportion. [Obs.]

To which God of his bounty would shift
Crowns two of flowers well smelling. --Chaucer.

2. To change the place of; to move or remove from one place
to another; as, to shift a burden from one shoulder to
another; to shift the blame.

Hastily he schifte him[self]. --Piers
Plowman.

Pare saffron between the two St. Mary's days,
Or set or go shift it that knowest the ways.
--Tusser.

3. To change the position of; to alter the bearings of; to
turn; as, to shift the helm or sails.

Carrying the oar loose, [they] shift it hither and
thither at pleasure. --Sir W.
Raleigh.

4. To exchange for another of the same class; to remove and
to put some similar thing in its place; to change; as, to
shift the clothes; to shift the scenes.

I would advise you to shift a shirt. --Shak.

5. To change the clothing of; -- used reflexively. [Obs.]

As it were to ride day and night; and . . . not to
have patience to shift me. --Shak.

6. To put off or out of the way by some expedient. ``I
shifted him away.'' --Shak.

{To shift off}, to delay; to defer; to put off; to lay aside.


{To shift the scene}, to change the locality or the
surroundings, as in a play or a story.

Shift the scene for half an hour;
Time and place are in thy power. --Swift.


Shifting \Shift"ing\, a.
1. Changing in place, position, or direction; varying;
variable; fickle; as, shifting winds; shifting opinions or
principles.

2. Adapted or used for shifting anything.

{Shifting backstays} (Naut.), temporary stays that have to be
let go whenever the vessel tacks or jibes.

{Shifting ballast}, ballast which may be moved from one side
of a vessel to another as safety requires.

{Shifting center}. See {Metacenter}.

{Shifting locomotive}. See {Switching engine}, under
{Switch}.