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Log    音標拼音: [l'ɔg]
n. 日志,記程儀
vt. 伐木,切,航行
vi. 伐木
n. 日志,記錄,圓木

日誌,記程儀伐木,切,航行伐木日誌,記錄,圓木

log
日誌,對數

log
日誌 登錄 對數

log
n 1: a segment of the trunk of a tree when stripped of branches
2: the exponent required to produce a given number [synonym:
{logarithm}, {log}]
3: a written record of messages sent or received; "they kept a
log of all transmission by the radio station"; "an email log"
4: a written record of events on a voyage (of a ship or plane)
5: measuring instrument that consists of a float that trails
from a ship by a knotted line in order to measure the ship's
speed through the water
v 1: enter into a log, as on ships and planes
2: cut lumber, as in woods and forests [synonym: {log}, {lumber}]

Log \Log\, n. [Heb. l[=o]g.]
A Hebrew measure of liquids, containing 2.37 gills. --W. H.
Ward.
[1913 Webster]


Log \Log\, n. [Icel. l[=a]g a felled tree, log; akin to E. lie.
See {Lie} to lie prostrate.]
1. A bulky piece of wood which has not been shaped by hewing
or sawing.
[1913 Webster]

2. [Prob. the same word as in sense 1; cf. LG. log, lock,
Dan. log, Sw. logg.] (Naut.) An apparatus for measuring
the rate of a ship's motion through the water.
[1913 Webster]

Note: The common log consists of the log-chip, or logship,
often exclusively called the log, and the log line, the
former being commonly a thin wooden quadrant of five or
six inches radius, loaded with lead on the arc to make
it float with the point up. It is attached to the log
line by cords from each corner. This line is divided
into equal spaces, called knots, each bearing the same
proportion to a mile that half a minute does to an
hour. The line is wound on a reel which is so held as
to let it run off freely. When the log is thrown, the
log-chip is kept by the water from being drawn forward,
and the speed of the ship is shown by the number of
knots run out in half a minute. There are improved
logs, consisting of a piece of mechanism which, being
towed astern, shows the distance actually gone through
by the ship, by means of the revolutions of a fly,
which are registered on a dial plate.
[1913 Webster]

3. Hence: The record of the rate of speed of a ship or
airplane, and of the course of its progress for the
duration of a voyage; also, the full nautical record of a
ship's cruise or voyage; a log slate; a log book.
[1913 Webster PJC]

4. Hence, generally: A record and tabulated statement of the
person(s) operating, operations performed, resources
consumed, and the work done by any machine, device, or
system.
[1913 Webster PJC]

5. (Mining) A weight or block near the free end of a hoisting
rope to prevent it from being drawn through the sheave.
[1913 Webster]

6. (computers) A record of activities performed within a
program, or changes in a database or file on a computer,
and typically kept as a file in the computer.
[PJC]

{Log board} (Naut.), a board consisting of two parts shutting
together like a book, with columns in which are entered
the direction of the wind, course of the ship, etc.,
during each hour of the day and night. These entries are
transferred to the log book. A folding slate is now used
instead.

{Log book}, or {Logbook} (Naut.),
(a) a book in which is entered the daily progress of a
ship at sea, as indicated by the log, with notes on
the weather and incidents of the voyage; the contents
of the log board.
(b) a book in which a log[4] is recorded.

{Log cabin}, {Log house}, a cabin or house made of logs.

{Log canoe}, a canoe made by shaping and hollowing out a
single log; a dugout canoe.

{Log glass} (Naut.), a small sandglass used to time the
running out of the log line.

{Log line} (Naut.), a line or cord about a hundred and fifty
fathoms long, fastened to the log-chip. See Note under 2d
{Log}, n., 2.

{Log perch} (Zool.), an ethiostomoid fish, or darter
({Percina caprodes}); -- called also {hogfish} and
{rockfish}.

{Log reel} (Naut.), the reel on which the log line is wound.


{Log slate}. (Naut.) See {Log board} (above).

{Rough log} (Naut.), a first draught of a record of the
cruise or voyage.

{Smooth log} (Naut.), a clean copy of the rough log. In the
case of naval vessels this copy is forwarded to the proper
officer of the government.

{To heave the log} (Naut.), to cast the log-chip into the
water; also, the whole process of ascertaining a vessel's
speed by the log.
[1913 Webster]


Log \Log\, v. t. [imp. & p. p. {Logged}; p. pr. & vb. n.
{Logging}.]
1. (Naut.), To enter in a ship's log book; as, to log the
miles run. --J. F. Cooper.
[1913 Webster]

2. To record any event in a logbook, especially an event
relating to the operation of a machine or device.
[PJC]


Log \Log\, v. i.
1. To engage in the business of cutting or transporting logs
for timber; to get out logs. [U.S.]
[1913 Webster]

2. To move to and fro; to rock. [Obs.]
[1913 Webster]

231 Moby Thesaurus words for "log":
Domesday Book, Mach meter, accelerometer, account book,
accounts payable ledger, accounts receivable ledger, address book,
adversaria, album, anemometer, annals, annual,
appointment calendar, appointment schedule, backlog, balance,
balance sheet, balance the books, bank ledger, bankbook, bavin,
beam, billet, blankbook, blotter, board, boarding, book, books,
boom, brush, brushwood, calendar, capitalize, card ledger, carry,
carry over, carve, cashbook, cast loose, cast up accounts, catalog,
chalk, chalk up, charge off, check in, check sheet, chronicle,
chronology, clap on ratlines, clapboard, classified catalog,
clear hawse, clock card, close out, close the books,
commonplace book, cord, cordwood, cost card, cost ledger,
cost sheet, court calendar, credit, cut, cut loose, date slip,
datebook, daybook, deal, debit, desk calendar, diary, diptych,
docket, driftwood, engagement book, engrave, enroll, enscroll,
enter, factory ledger, fagot, file, fill out, firewood, grave,
ground log, hardwood, harpoon log, haul, haul down, heave,
heave apeak, heave round, heave short, impanel, incise, index,
inscribe, insert, inventory, jot down, journal, journalize, kedge,
keep books, kindling, kindlings, lath, lathing, lathwork, lay,
lay aloft, ledger, list, log line, logbook, loose-leaf notebook,
lumber, make a memorandum, make a note, make an entry, make out,
mark down, matriculate, memo book, memorandum book, memory book,
minute, note, note down, notebook, pad, panelboard, paneling,
panelwork, passbook, patent log, petty cashbook, place upon record,
plank, planking, plyboard, plywood, pocket notebook, pocketbook,
pole, police blotter, poll, post, post up, puncheon,
purchase ledger, put down, put in writing, put on paper,
put on tape, ratline down, record, record book, reduce to writing,
register, registry, sales journal, sales ledger, scrapbook,
scratch pad, set down, shake, sheathing, sheathing board, sheeting,
shingle, sideboard, siding, slab, slat, softwood, spar down,
speedometer, spiral notebook, splat, stave, stick, stick of wood,
stock ledger, stores ledger, stovewood, stream the log,
strike a balance, suspense ledger, table, tablet, tabulate,
tachometer, taffrail log, take down, tape, tape-record,
three-by-four, timber, timbering, timberwork, time book,
time chart, time scale, time schedule, time sheet, time study,
timecard, timetable, traverse a yard, triptych, two-by-four,
unlash, videotape, warp, weatherboard, wind gauge, wood, workbook,
write, write down, write in, write out, write up, writing tablet,
yearbook, yule clog, yule log

1. {logarithm}.

2. A record of the activity of
some system, often stored in a particular file.

Different {operating systems} have different conventions and
support for storing logs. {Unix} has the {syslog} system and
the /var/log directory hierarchy, {Microsoft Windows} has
{event logs}. {Web servers}, for example, typically record
information about every page accessed in one or more "web
logs".

(2009-05-29)



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