datum 音标拼音: [d'ætəm] [d'etəm]
n . 材料,资料,已知数
材料,资料,已知数
datum 资料
D datum 资料
datum n 1 :
an item of factual information derived from measurement or research [
synonym : {
datum }, {
data point }]
Datum \
Da "
tum \,
n .;
pl . {
Data }. [
L .
See 2d {
Date }.]
1 .
Something given or admitted ;
a fact or principle granted ;
that upon which an inference or an argument is based ; --
used chiefly in the plural .
[
1913 Webster ]
Any writer ,
therefore ,
who . . .
furnishes us with data sufficient to determine the time in which he wrote . --
Priestley .
[
1913 Webster ]
2 .
a single piece of information ;
a fact ;
especially a piece of information obtained by observation or experiment ; --
used mostly in the plural .
[
PJC ]
3 .
pl . (
Math .)
The quantities or relations which are assumed to be given in any problem .
[
1913 Webster ]
4 . (
Surveying )
a point ,
line ,
or level surface used as a reference in measuring elevations . --
RHUD [
PJC ]
{
Datum line } (
Surv .),
the horizontal or base line ,
from which the heights of points are reckoned or measured ,
as in the plan of a railway ,
etc .
[
1913 Webster ]
146 Moby Thesaurus words for "
datum ":
absolute fact ,
accepted fact ,
account ,
acquaintance ,
actual fact ,
admitted fact ,
announcement ,
article ,
aspect ,
axiom ,
bald fact ,
bare fact ,
basis for belief ,
blue book ,
body of evidence ,
briefing ,
brutal fact ,
bulletin ,
case ,
chain of evidence ,
circumstance ,
clue ,
cold fact ,
communication ,
communique ,
conceded fact ,
corpus ,
count ,
data ,
demonstrable fact ,
detail ,
directory ,
dispatch ,
documentation ,
element ,
empirical fact ,
enlightenment ,
established fact ,
evidence ,
exhibit ,
experience ,
expertise ,
facet ,
fact ,
fact of experience ,
factor ,
facts ,
factual base ,
factual information ,
familiarity ,
familiarization ,
gen ,
general information ,
given fact ,
grounds ,
grounds for belief ,
guidebook ,
handout ,
hard fact ,
hard information ,
incidental ,
incidental information ,
indication ,
indisputable fact ,
inescapable fact ,
info ,
information ,
instance ,
instruction ,
intelligence ,
intimacy ,
item ,
item of evidence ,
ken ,
know -
how ,
knowing ,
knowledge ,
light ,
manifestation ,
mark ,
material grounds ,
matter ,
matter of fact ,
mention ,
message ,
minor detail ,
minutia ,
minutiae ,
muniments ,
mute witness ,
naked fact ,
not guesswork ,
not opinion ,
notice ,
notification ,
particular ,
piece of evidence ,
plain ,
point ,
positive fact ,
postulate ,
practical knowledge ,
premises ,
presentation ,
private knowledge ,
privity ,
promotional material ,
proof ,
provable fact ,
publication ,
publicity ,
ratio cognoscendi ,
reason to believe ,
regard ,
release ,
relevant fact ,
report ,
respect ,
salient fact ,
self -
evident fact ,
self -
knowledge ,
sidelight ,
sign ,
significant fact ,
simple fact ,
sober fact ,
statement ,
stubborn fact ,
symptom ,
technic ,
technics ,
technique ,
the case ,
the dope ,
the goods ,
the know ,
the nitty -
gritty ,
the scoop ,
thing ,
token ,
transmission ,
undeniable fact ,
well -
known fact ,
white book ,
white paper ,
word
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