t 音标拼音: [t'i]
n . 字母
t 字母
t T )
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MTS T n 1 :
a base found in DNA (
but not in RNA )
and derived from pyrimidine ;
pairs with adenine [
synonym : {
thymine }, {
T }]
2 :
one of the four nucleotides used in building DNA ;
all four nucleotides have a common phosphate group and a sugar (
ribose ) [
synonym : {
deoxythymidine monophosphate }, {
T }]
3 :
a unit of weight equivalent to 1000 kilograms [
synonym : {
metric ton }, {
MT }, {
tonne }, {
t }]
4 :
the 20th letter of the Roman alphabet [
synonym : {
T }, {
t }]
5 :
thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity ;
exerts the same biological effects as thyroxine but is more potent and briefer [
synonym : {
triiodothyronine }, {
liothyronine }, {
T }]
6 :
hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells ; "
thyroxine is 65 %
iodine " [
synonym : {
thyroxine }, {
thyroxin },
{
tetraiodothyronine }, {
T }]
Mute \
Mute \,
n .
1 .
One who does not speak ,
whether from physical inability ,
unwillingness ,
or other cause .
Specifically :
(
a )
One who ,
from deafness ,
either congenital or from early life ,
is unable to use articulate language ;
a deaf -
mute .
(
b )
A person employed by undertakers at a funeral .
(
c )
A person whose part in a play does not require him to speak .
(
d )
Among the Turks ,
an officer or attendant who is selected for his place because he can not speak .
[
1913 Webster ]
2 . (
Phon .)
A letter which represents no sound ;
a silent letter ;
also ,
a close articulation ;
an element of speech formed by a position of the mouth organs which stops the passage of the breath ;
as , {
p }, {
b }, {
d }, {
k }, {
t }.
[
1913 Webster ]
3 . (
Mus .)
A little utensil made of brass ,
ivory ,
or other material ,
so formed that it can be fixed in an erect position on the bridge of a violin ,
or similar instrument ,
in order to deaden or soften the tone .
[
1913 Webster ]
T \
T \ (
t [=
e ]),
the twentieth letter of the English alphabet ,
is a nonvocal consonant .
With the letter h it forms the digraph th ,
which has two distinct sounds ,
as in thin ,
then .
See Guide to Pronunciation , [
sect ][
sect ]
262 -
264 ,
and also [
sect ][
sect ]
153 ,
156 ,
169 ,
172 ,
176 ,
178 -
180 .
[
1913 Webster ]
The letter derives its name and form from the Latin ,
the form of the Latin letter being further derived through the Greek from the Ph [
oe ]
nician .
The ultimate origin is probably Egyptian .
It is etymologically most nearly related to d ,
s ,
th ;
as in tug ,
duke ;
two ,
dual ,
L .
duo ;
resin ,
L .
resina ,
Gr . "
rhti `
nh ,
tent ,
tense ,
a .,
tenuous ,
thin ;
nostril ,
thrill .
See {
D }, {
S }.
[
1913 Webster ]
{
T bandage } (
Surg .),
a bandage shaped like the letter T ,
and used principally for application to the groin ,
or perineum .
{
T cart },
a kind of fashionable two seated wagon for pleasure driving .
{
T iron }.
(
a )
A rod with a short crosspiece at the end , --
used as a hook .
(
b )
Iron in bars ,
having a cross section formed like the letter T , --
used in structures .
{
T rail },
a kind of rail for railroad tracks ,
having no flange at the bottom so that a section resembles the letter T .
{
T square },
a ruler having a crosspiece or head at one end ,
for the purpose of making parallel lines ; --
so called from its shape .
It is laid on a drawing board and guided by the crosspiece ,
which is pressed against the straight edge of the board .
Sometimes the head is arranged to be set at different angles .
{
To a T },
exactly ,
perfectly ;
as ,
to suit to a T . [
Colloq .]
[
1913 Webster ]
1 .
True .
A {
Lisp }
compiler by Johnathan A .
Rees in 1982 at
{
Yale University }.
T has {
static scope }
and is a
near -
superset of {
Scheme }. {
Unix }
source is available .
T is
written in itself and compiles to efficient native code .
Used
as the basis for the Yale {
Haskell }
system .
Maintained by
David Kranz .
Latest version : 3 .1 .
ftp ://ftp .ai .mit .edu /pub /systems /t3 .1 )}.
A {multiprocessing } version of T is available
ftp ://masala .lcs .mit .edu /pub /mult )}.
Runs on {Decstation }, {SPARC }, {Sun -3 }, {Vax } under {Unix },
Encore }, {HP }, {Apollo }, {Macintosh } under {A /UX }.
E -mail : (bugs ).
E -mail : .
1991 -11 -26 )
The T Manual ", Johnathan A . Rees et
al , Yale U , 1984 ].
2 . A {functional language }.
T : A Simple Reduction Language Based on Combinatory Term
Rewriting ", Ida et al , Proc of Prog Future Generation
Computers , 1988 ].
3 . (lower case ) The {Lisp } {atom } used to represent "true ",
among other things . "false " is represented using the same
atom as an empty list , {nil }. This {overloading } of the basic
constants of the language helps to make Lisp {write -only
code }.
4 . In transaction -processing circles , an abbreviation for
transaction ".
5 . (Purdue ) An alternative spelling of "{tee }".
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