gradient
n . 倾斜度,坡度,升降率
a . 倾斜的,步行的
倾斜度,坡度,升降率倾斜的,步行的
gradient 梯度
gradient 梯度
gradient n 1 :
a graded change in the magnitude of some physical quantity or dimension 2 :
the property possessed by a line or surface that departs from the horizontal ; "
a five -
degree gradient " [
synonym : {
gradient },
{
slope }]
Gradient \
Gra "
di *
ent \,
a . [
L .
gradiens ,
p .
pr .
of gradi to step ,
to go .
See {
Grade }.]
1 .
Moving by steps ;
walking ;
as ,
gradient automata .
--
Wilkins .
[
1913 Webster ]
2 .
Rising or descending by regular degrees of inclination ;
as ,
the gradient line of a railroad .
[
1913 Webster ]
3 .
Adapted for walking ,
as the feet of certain birds .
[
1913 Webster ]
Gradient \
Gra "
di *
ent \,
n .
1 .
The rate of regular or graded ascent or descent in a road ;
grade .
[
1913 Webster ]
2 .
A part of a road which slopes upward or downward ;
a portion of a way not level ;
a grade .
[
1913 Webster ]
3 .
The rate of increase or decrease of a variable magnitude ,
or the curve which represents it ;
as ,
a thermometric gradient .
4 . (
Chem .,
Biochem .)
The variation of the concentration of a chemical substance in solution through some linear path ;
also called concentration gradient ; --
usually measured in concentration units per unit distance .
Concentration gradients are created naturally ,
e .
g .
by the diffusion of a substance from a point of high concentration toward regions of lower concentration within a body of liquid ;
in laboratory techniques they may be made artificially .
[
PJC ]
{
gradient maker } (
Biochem .)
a device which creates a concentration gradient in a solution within some apparatus ; --
used ,
e .
g .,
for separation of biochemical substances .
[
PJC ]
{
Gradient post },
a post or stake indicating by its height or by marks on it the grade of a railroad ,
highway ,
or embankment ,
etc .,
at that spot .
Gradin
del \
del \
n . (
Math .)
a differential operator which ,
operating on a function of several variables ,
gives the sum of the partial derivatives of the function with respect to the three orthogonal spatial coordinates ; --
also called the {
gradient }
or {
grad }.
It is represented by an inverted Greek capital delta ([
nabla ]),
and is thus because of its shape also called {
nabla },
meaning harp in Hebrew .
[
PJC ]
34 Moby Thesaurus words for "
gradient ":
bank ,
bevel ,
bezel ,
chute ,
easy slope ,
fleam ,
gentle slope ,
glacis ,
grade ,
hanging gardens ,
helicline ,
hillside ,
inclination ,
incline ,
inclined plane ,
launching ramp ,
lean ,
leaning ,
pitch ,
ramp ,
rise ,
rising ,
scarp ,
shelving beach ,
side ,
slant ,
slope ,
steep slope ,
stiff climb ,
talus ,
tilt ,
uprise ,
uprising ,
vertical height
安装中文字典英文字典查询工具!
中文字典英文字典工具:
复制到剪贴板
英文字典中文字典相关资料:
Bing homepage quiz Search millions of games and quizzes created by educators around the world
Bing Homepage Quiz – Play Today’s 10 Questions | Daily Bing Quizzes Play the Bing Homepage Quiz today with 10 fun trivia questions Test your knowledge with daily Bing quizzes on news, entertainment, science, geography, history, and more
All Quizzes — Free Daily Trivia Knowledge Tests | Bing Homepage Quiz Browse every quiz on Bing Homepage Quiz: daily trivia, weekly news quizzes, geography, science, history, entertainment, sports, literature and general knowledge
Bing Homepage Quiz — Todays Interactive Knowledge Quiz Take the daily Homepage Quiz to test your knowledge of news, science, history, and geography — and earn Microsoft Rewards points every day!
参与今日必应首页测验 - 娱乐和必应新闻测试 | Bing . . . Bing 首页测验是每日互动测验,包含多选题,涵盖美国和全球新闻、流行文化、体育、科技及综合知识。 测试你的知识并保持信息更新! 2 我该如何参与测验? 为每个问题选择你认为正确的答案,然后点击“下一题”按钮继续。 请在规定时间内完成全部 20 道题以获得最佳成绩。
Bing Homepage Quiz - Play Today Daily Bing Quizzes 10 Questions Take on Today's Bing Homepage Quiz and answer 10 daily questions, geography, science, history, nature, and the latest events Enjoy engaging Bing trivia online
How to Play the Bing Homepage Quiz: Complete Guide To play the Bing homepage quiz, open the Bing site and look for the Q icon near the search bar or type in “Bing daily quiz” in the search bar Answer the 3 multiple-choice questions, and earn 10 Microsoft reward points if you get all the answers correct
Bing Homepage Quiz — Todays Interactive Daily Quiz Play the Bing Homepage Quiz: a daily, quick, and fun trivia experience about current events, news, and trending topics Test your general knowledge with Microsoft Bing!
Bing OK
Play Todays Bing Quiz – 5 Trivia Questions, Daily Challenge Play Bing Quiz online! Take 5 daily trivia questions, test your knowledge, and see your ranking from Average Human to Albert Einstein Fun and quick every day