tailing 音标拼音: [t'elɪŋ]
n . 装尾巴,嵌入墙中砖石突出部,屑
装尾巴,嵌入墙中砖石突出部,屑
tailing n 1 :
the act of following someone secretly [
synonym : {
shadowing },
{
tailing }]
Tail \
Tail \,
n . [
AS .
taegel ,
taegl ;
akin to G .
zagel ,
Icel .
tagl ,
Sw .
tagel ,
Goth .
tagl hair . [
root ]
59 .]
1 . (
Zool .)
The terminal ,
and usually flexible ,
posterior appendage of an animal .
[
1913 Webster ]
Note :
The tail of mammals and reptiles contains a series of movable vertebrae ,
and is covered with flesh and hairs or scales like those of other parts of the body .
The tail of existing birds consists of several more or less consolidated vertebrae which supports a fanlike group of quills to which the term tail is more particularly applied .
The tail of fishes consists of the tapering hind portion of the body ending in a caudal fin .
The term tail is sometimes applied to the entire abdomen of a crustacean or insect ,
and sometimes to the terminal piece or pygidium alone .
[
1913 Webster ]
2 .
Any long ,
flexible terminal appendage ;
whatever resembles ,
in shape or position ,
the tail of an animal ,
as a catkin .
[
1913 Webster ]
Doretus writes a great praise of the distilled waters of those tails that hang on willow trees .
--
Harvey .
[
1913 Webster ]
3 .
Hence ,
the back ,
last ,
lower ,
or inferior part of anything , --
as opposed to the {
head },
or the superior part .
[
1913 Webster ]
The Lord will make thee the head ,
and not the tail .
--
Deut .
xxviii .
13 .
[
1913 Webster ]
4 .
A train or company of attendants ;
a retinue .
[
1913 Webster ]
"
Ah ,"
said he , "
if you saw but the chief with his tail on ." --
Sir W .
Scott .
[
1913 Webster ]
5 .
The side of a coin opposite to that which bears the head ,
effigy ,
or date ;
the reverse ; --
rarely used except in the expression "
heads or tails ,"
employed when a coin is thrown up for the purpose of deciding some point by its fall .
[
1913 Webster ]
6 . (
Anat .)
The distal tendon of a muscle .
[
1913 Webster ]
7 . (
Bot .)
A downy or feathery appendage to certain achenes .
It is formed of the permanent elongated style .
[
1913 Webster ]
8 . (
Surg .)
(
a )
A portion of an incision ,
at its beginning or end ,
which does not go through the whole thickness of the skin ,
and is more painful than a complete incision ; --
called also {
tailing }.
(
b )
One of the strips at the end of a bandage formed by splitting the bandage one or more times .
[
1913 Webster ]
9 . (
Naut .)
A rope spliced to the strap of a block ,
by which it may be lashed to anything .
[
1913 Webster ]
10 . (
Mus .)
The part of a note which runs perpendicularly upward or downward from the head ;
the stem . --
Moore (
Encyc .
of Music ).
[
1913 Webster ]
11 .
pl .
Same as {
Tailing },
4 .
[
1913 Webster ]
12 . (
Arch .)
The bottom or lower portion of a member or part ,
as a slate or tile .
[
1913 Webster ]
13 .
pl . (
Mining )
See {
Tailing },
n .,
5 .
[
1913 Webster ]
14 . (
Astronomy )
the long visible stream of gases ,
ions ,
or dust particles extending from the head of a comet in the direction opposite to the sun .
[
PJC ]
15 .
pl . (
Rope Making )
In some forms of rope -
laying machine ,
pieces of rope attached to the iron bar passing through the grooven wooden top containing the strands ,
for wrapping around the rope to be laid .
[
Webster 1913 Suppl .]
16 .
pl .
A tailed coat ;
a tail coat . [
Colloq .
or Dial .]
[
Webster 1913 Suppl .]
17 . (
Aeronautics )
In airplanes ,
an airfoil or group of airfoils used at the rear to confer stability .
[
Webster 1913 Suppl .]
18 .
the buttocks . [
slang or vulgar ]
[
PJC ]
19 .
sexual intercourse ,
or a woman used for sexual intercourse ;
as ,
to get some tail ;
to find a piece of tail .
See also {
tailing [
3 ]}. [
slang and vulgar ]
[
PJC ]
{
Tail beam }. (
Arch .)
Same as {
Tailpiece }.
{
Tail coverts } (
Zool .),
the feathers which cover the bases of the tail quills .
They are sometimes much longer than the quills ,
and form elegant plumes .
Those above the quills are called the {
upper tail coverts },
and those below ,
the {
under tail coverts }.
{
Tail end },
the latter end ;
the termination ;
as ,
the tail end of a contest . [
Colloq .]
{
Tail joist }. (
Arch .)
Same as {
Tailpiece }.
{
Tail of a comet } (
Astron .),
a luminous train extending from the nucleus or body ,
often to a great distance ,
and usually in a direction opposite to the sun .
{
Tail of a gale } (
Naut .),
the latter part of it ,
when the wind has greatly abated . --
Totten .
{
Tail of a lock } (
on a canal ),
the lower end ,
or entrance into the lower pond .
{
Tail of the trenches } (
Fort .),
the post where the besiegers begin to break ground ,
and cover themselves from the fire of the place ,
in advancing the lines of approach .
{
Tail spindle },
the spindle of the tailstock of a turning lathe ; --
called also {
dead spindle }.
{
To turn tail },
to run away ;
to flee .
[
1913 Webster ]
Would she turn tail to the heron ,
and fly quite out another way ;
but all was to return in a higher pitch . --
Sir P .
Sidney .
[
1913 Webster ]
Tailing \
Tail "
ing \,
n .
1 . (
Arch .)
The part of a projecting stone or brick inserted in a wall . --
Gwilt .
[
1913 Webster ]
2 . (
Surg .)
Same as {
Tail },
n .,
8 (
a ) .
[
1913 Webster ]
3 .
Sexual intercourse . [
Obs .] --
Chaucer .
[
1913 Webster ]
4 .
pl .
The lighter parts of grain separated from the seed threshing and winnowing ;
chaff .
[
1913 Webster ]
5 .
pl . (
Mining )
The refuse part of stamped ore ,
thrown behind the tail of the buddle or washing apparatus .
It is dressed over again to secure whatever metal may exist in it .
Called also {
tails }. --
Pryce .
[
1913 Webster ]
6 . (
Elec .)
A prolongation of current in a telegraph line ,
due to capacity in the line and causing signals to run together .
[
Webster 1913 Suppl .]
31 Moby Thesaurus words for "
tailing ":
bugging ,
chasing ,
cloak -
and -
dagger work ,
counterespionage ,
counterintelligence ,
dogging ,
electronic surveillance ,
espial ,
espionage ,
following ,
heeling ,
hounding ,
intelligence ,
intelligence work ,
military intelligence ,
observation ,
pursual ,
pursuance ,
pursuit ,
secret police ,
secret service ,
sequel ,
sequence ,
series ,
shadowing ,
spying ,
stakeout ,
surveillance ,
trailing ,
wiretap ,
wiretapping
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求极限时什么时候可以在加减式中使用等价无穷小替换? 实际上,等价无穷小替换就是取的泰勒展开的主导项。 使用等价无穷小替换后主导项不被抵消。 三、为什么乘除时可以无顾忌地使用等价无穷小量替换? 因为乘除不会消去主导项。 文章浏览阅读1 8k次,点赞9次,收藏9次。 求极限时什么时候可以在加减式中使用等价无穷小替换? _加减法无穷小替换原则
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