简明英汉词典

focus
[5fEukEs]
n.
(兴趣活动等的)中心, 焦点, 焦距, [医]病灶, [地](地震的)震源
vi.
聚焦, 注视
vt.
使集中在焦点上, 定焦点, 调焦, 集中

基本词义

FOCUS
=Forum of Control Users 控制数据公司用户论坛[美]

美国传统词典[双解]

focus
fo.cus
AHD:[f?“k…s]
D.J.[6fouk*s]
K.K.[6fok*s]
n.(名词)
【复数】 fo.cus.es或 fo.ci [-so”, -ko”]

(1)

A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system:
焦点:几条光线或其他射线相交的一点,或在一个光学系统中经折射或反射后呈发散状的光线的出发点:
the focus of a lens.Also called focal point
透镜的焦点也作 focal point

(2)

See focal length
参见 focal length

(3)

The distinctness or clarity of an image rendered by an optical system.
影象的清晰度:因使用光学调节系统而形成的分明的或清晰的图象

(4)

The state of maximum distinctness or clarity of such an image:
最大清晰度:此种图象最好的区分或清晰状态:
in focus; out of focus.
清晰;不清晰

(5)

An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear:
对焦仪器:为使其图象明显或清晰用于调节光学系统焦距的仪器:
a camera with automatic focus.
自动对焦的照相机

(6)

A center of interest or activity.See Synonyms at center
中心:兴趣或活动的中心参见 center

(7)

Close or narrow attention; concentration:
密切或严密的注意;集中:
“He was forever taken aback by [New York's] pervasive atmosphere of purposefulness—the tight focus of its drivers, the brisk intensity of its pedestrians” (Anne Tyler)
“他久久地惊诧于[纽约] 所弥漫的那种目的性很强的气氛——司机们的高度集中以及行人的步伐紧凑快速” (安妮·泰勒)

(8)

A condition in which something can be clearly apprehended or perceived:
可清楚明白的状况:某事物可被清晰理解或感觉的状况:
couldn't get the problem into focus.
不能很清楚地理解这个问题

(9)

Pathology The region of a localized bodily infection or disease.
【病理学】 病症:疾病集中或感染的主要部位

(10)

Geology The point of origin of an earthquake.
【地质学】 震中:地震的发源地

(11)

Mathematics A fixed point whose relationship with a directrix determines a conic section.
【数学】 焦点:一个与准线的关系决定圆锥形状的定点
v.(动词)
fo.cused或 fo.cussed fo.cus.ing或 fo.cus.sing fo.cus.es或 fo.cus.ses
v.tr.(及物动词)

(1)

To cause (light rays, for example) to converge on or toward a central point; concentrate.
使集中,使聚合:使(如光线)集中在一中心点或向中心点集中;集中

(2)

To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.
使集中于焦点:通过调节视力或光学仪器使(一物体或图象)外缘清晰或细节分明;调焦

(3)

To adjust (a lens, for example) to produce a clear image.
调焦:调整(如透镜)而得到清晰图象

(4)

To direct toward a particular point or purpose:
集中:导向一特定点或目的:
focused all their attention on finding a solution to the problem.
集中全部注意力寻找解决问题的办法
v.intr.(不及物动词)

(1)

To converge on or toward a central point of focus; be focused.
集中于焦点:在中心焦点或向中心焦点集中;被集聚

(2)

To adjust one's vision or an optical device so as to render a clear, distinct image.
调焦:调整视力或光学仪器以使图象鲜明清晰

(3)

To concentrate attention or energy:
集中:集中注意力或能力:
a campaign that focused on economic issues.
一次集中解决经济问题的运动

语源
Latin [hearth]
拉丁语 [火炉]

继承用法

focuser
n.(名词)

现代英汉词典

focus
[5fEJkEs]
n.
-cuses 或 -ci

(1)

中心点

(2)

焦点

(3)

中心,集中点
to be a focus of attention
成为注意力的中心
"Because of his strange clothes, he immediately became the focus of attention when he entered the office."
"他由于服装奇特,一走进办公室便成了大家注意的中心。"

习惯用语

in focus
焦点对准,清晰

out of focus
焦点没有对准,模糊

词性变化

focus
vt., vi.
-s- 或 -ss-

(1)

使集中于焦点;集中
to focus one's mind on work
集中精力于工作
You must try to focus your mind on work and study. (喻)
你应该努力把思想集中在工作的学习上。
All eyes were focused on the speaker. (喻)
大家的目光都集中在发言人身上。

(2)

调焦距
This photograph looks funny; I think you forgot to focus the camera.
"这张照片看上去有些滑稽,我想你是忘了给照相机调焦距了。"

现代英汉综合大辞典

focus
[5fEukEs]
n.
(pl. focuses, foci [5fEusai])

(1)

【物】焦点

(2)

焦距; 对焦点, 聚焦, 配光

(3)

(问题, 活动、兴趣等的)中心

(4)

【医】病灶

(5)

(地震的)震源

(6)

焦点范围

(7)

螺旋极点

(8)

美国中西部考古学系统的分类单位

(9)

疫源地
focus electrode
【无】聚焦电极
the focus of world's attention
世界注意的中心

词性变化

focus
[5fEukEs]
vt.

(1)

使聚焦, 集中; 使注视

(2)

调节镜头[焦距等]
vi.

(1)

聚焦, 注视

(2)

调焦距

继承用法

focus center
n.
焦心点

focus-class
n.
焦点类

focus-out
n.
散焦

focusable
adj.

focuser
n.
聚焦放大镜; 聚焦装置

习惯用语

bring into focus (=bring to a focus)
使集中在焦点上; 使清楚起来; 使明朗化; 使突出

come into focus
(某物)轮廓明显, 清晰; (问题)突出

in focus
焦距对准, 清晰

out of focus
焦距没对准, 模糊

with focus on
把焦点集中在

focus out
散焦

特殊用法

actinic focus
光化焦点

annular focus
环形焦点

apparant focus
虚焦点

automatic focus
自动聚焦

beam focus
电子束聚焦

centre-to-edge focus
中心至边缘的聚焦

chemical focus
化学焦点

circular focus
圆形焦点

conjugate focus
共轭焦点

corner focus
角聚焦coudМ focus 折轴镜焦点

deep focus
深(震)源

earthquake focus
震源

hypocentre focus
震源

seismic focus
震源

electrostatic focus
静电聚焦[焦点]

equivalent focus
等效焦点

fine focus
细焦点

fixed focus
固定焦距[焦点]

follow focus
跟(镜头聚)焦

front focus
前焦点

gun focus
电子枪焦点

image focus
象焦点

line focus
行聚焦

long focus
长焦距

marginal focus
边缘焦点

meridional focus
子午焦点

multiplier focus
倍增器聚焦

pan focus
泛焦(远近景同时摄影法)

paraxial focus
傍轴焦点

pinpointed focus
最佳焦点[距]

plasma focus
等离子体焦点

principal focus
主焦点

prime focus
主焦点

rear focus
象方焦点, 后焦点

rectangular focus
矩形焦点

retro focus
焦点后移, 负焦距

saddle focus
鞍式焦点

sagittal focus
径向焦点

seismic focus (=hypocentre)
震源

selective focus
选择聚焦

sharp focus
锐[强, 准]聚焦

soft focus
软焦点(照片)

split focus
折中[分裂]焦点

stable focus
稳定(的)焦点

tangential focus
切向焦点

vertical dynamic focus
垂直动态聚焦

view finder focus
寻象器聚焦

violet focus
紫色光焦点

virtual focus
虚焦点

基本词义

FOCUS
=Forum of Control Users 控制数据公司用户论坛[美]

用法词典

focus
源自拉丁语,原义是火炉。公元1604年开普勒用于数学意义上,叫焦点

英文相关词典

focus
adjust    concentrate    

[七国语言]英汉地理大词典

focus
焦点

[七国语言]英汉电子大词典

focus
焦点

[七国语言]英汉电子工程大词典

focus
焦点

[七国语言]英汉公共大词典

focus
集中;聚焦

[七国语言]英汉化学大词典

focus
焦点

[七国语言]英汉机械大词典

focus
焦点

[七国语言]英汉建筑大词典

focus
焦点

[七国语言]英汉数学大词典

focus
焦点

[七国语言]英汉物理大词典

focus
焦点

[七国语言]英汉医学大词典

focus
病灶, 焦点

[七国语言]英汉原子能大词典

focus
焦点

美国传统词典

focus
fo.cus
AHD:[f?“k…s]
D.J.[6fouk*s]
K.K.[6fok*s]
n.
pl. fo.cus.esor fo.ci [-so”, -ko”]

(1)

A point at which rays of light or other radiation converge or from which they appear to diverge, as after refraction or reflection in an optical system:
the focus of a lens.Also called focal point

(2)

See focal length

(3)

The distinctness or clarity of an image rendered by an optical system.

(4)

The state of maximum distinctness or clarity of such an image:
in focus; out of focus.

(5)

An apparatus used to adjust the focal length of an optical system in order to make an image distinct or clear:
a camera with automatic focus.

(6)

A center of interest or activity.See Synonyms at center

(7)

Close or narrow attention; concentration:
“He was forever taken aback by [New York's] pervasive atmosphere of purposefulness—the tight focus of its drivers, the brisk intensity of its pedestrians” (Anne Tyler)

(8)

A condition in which something can be clearly apprehended or perceived:
couldn't get the problem into focus.

(9)

Pathology The region of a localized bodily infection or disease.

(10)

Geology The point of origin of an earthquake.

(11)

Mathematics A fixed point whose relationship with a directrix determines a conic section.
v.
fo.cusedor fo.cussed fo.cus.ingor fo.cus.sing fo.cus.esor fo.cus.ses
v.tr.

(1)

To cause (light rays, for example) to converge on or toward a central point; concentrate.

(2)

To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.

(3)

To adjust (a lens, for example) to produce a clear image.

(4)

To direct toward a particular point or purpose:
focused all their attention on finding a solution to the problem.
v.intr.

(1)

To converge on or toward a central point of focus; be focused.

(2)

To adjust one's vision or an optical device so as to render a clear, distinct image.

(3)

To concentrate attention or energy:
a campaign that focused on economic issues.

语源
Latin [hearth]

继承用法

focuser
n.

[名词委审定]英汉力学名词(1993)

focus

(1)

焦点

(2)

一种奇点。

[名词委审定]英汉数学名词(1993)

focus

(1)

焦点

(2)

常微分方程组的一种孤立奇点。

[名词委审定]英汉物理学名词(1996)

focus
焦点

英汉船舶大词典

focus
n.焦点,震源

朗文英汉综合电脑词典

FOCUS
FOCUS信息控制系统(Information Builders公司);聚焦,焦点

英汉电信大词典

focus
n.焦点

英汉地质大词典

focus
n.焦点,震源;n.震源

英汉纺织大词典

focus
n.焦点,聚焦,焦距

英汉广播大词典

focus
n.聚焦,焦点

英汉环境大词典

focus
n.震中,焦点

英汉航空大词典

focus
n.焦点,聚焦

英汉化学大词典

focus
n.焦点;vt.聚焦

英汉海运大词典

focus
焦点焦距,聚焦(使)聚焦

基本词义

focus
焦点,聚焦使集中在焦点

基本词义

focus
焦点焦距,聚焦

基本词义

focus
(使)聚焦,焦点,焦距

基本词义

focus
焦点,聚焦使集中在焦点

英汉计算机大词典

focus
n.焦点;vt.聚焦

英汉机械大词典

focus
n.焦点,聚焦

英汉建筑大词典

focus
n.焦点,焦距,聚焦

英汉农牧林大词典

focus
n.焦点,震源

英汉能源大词典

focus
n.焦点,震源

英汉汽车大词典

focus
n.焦点

英汉消防大词典

focus
①焦点 ②震源

英汉心理学大词典

focus
焦点

英汉冶金大词典

focus
n.焦点,焦距

英汉医学大词典

focus
n.病灶,调焦

英汉中医大词典

focus
n.病灶,灶,集中

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