詞語：focus
focus是什麼意思
簡明英漢詞典
focus
[5fEukEs]
n.
(興趣活動等的)中心, 焦點, 焦距, [醫]病灶, [地](地震的)震源
vi.
聚焦, 注視
vt.
使集中在焦點上, 定焦點, 調焦, 集中
基本詞義
FOCUS
=Forum of Control Users 控制數據公司用戶論壇[美]
美國傳統詞典[雙解]
focus
fo.cus
AHD:[f?「k…s]
D.J.[6fouk*s]
K.K.[6fok*s]
n.（名詞）
【複數】 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:
焦點：幾條光線或其他射線相交的一點，或在一個光學系統中經折射或反射後呈發散狀的光線的出發點：
the focus of a lens.Also called focal point
透鏡的焦點也作 focal point
(2)See focal length
參見 focal length
(3)The distinctness or clarity of an image rendered by an optical system.
影像的清晰度：因使用光學調節系統而形成的分明的或清晰的圖像
(4)The state of maximum distinctness or clarity of such an image:
最大清晰度：此種圖像最好的區分或清晰狀態：
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:
對焦儀器：為使其圖像明顯或清晰用於調節光學系統焦距的儀器：
a camera with automatic focus.
自動對焦的照相機
(6)A center of interest or activity.See Synonyms at center
中心：興趣或活動的中心參見 center
(7)Close or narrow attention; concentration:
密切或嚴密的注意；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)
「他久久地驚詫於〔紐約〕 所瀰漫的那種目的性很強的氣氛——司機們的高度集中以及行人的步伐緊湊快速」 (安妮·泰勒)
(8)A condition in which something can be clearly apprehended or perceived:
可清楚明白的狀況：某事物可被清晰理解或感覺的狀況：
couldn't get the problem into focus.
不能很清楚地理解這個問題
(9)Pathology The region of a localized bodily infection or disease.
【病理學】 病症：疾病集中或感染的主要部位
(10)Geology The point of origin of an earthquake.
【地質學】 震中：地震的發源地
(11)Mathematics A fixed point whose relationship with a directrix determines a conic section.
【數學】 焦點：一個與準線的關係決定圓錐形狀的定點
v.（動詞）
fo.cused或 fo.cussed fo.cus.ing或 fo.cus.sing fo.cus.es或 fo.cus.ses
v.tr.（及物動詞）
(1)To cause (light rays, for example) to converge on or toward a central point; concentrate.
使集中，使聚合：使（如光線）集中在一中心點或向中心點集中；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.
使集中於焦點：通過調節視力或光學儀器使（一物體或圖像）外緣清晰或細節分明；調焦
(3)To adjust (a lens, for example) to produce a clear image.
調焦：調整（如透鏡）而得到清晰圖像
(4)To direct toward a particular point or purpose:
集中：導向一特定點或目的：
focused all their attention on finding a solution to the problem.
集中全部注意力尋找解決問題的辦法
v.intr.（不及物動詞）
(1)To converge on or toward a central point of focus; be focused.
集中於焦點：在中心焦點或向中心焦點集中；被集聚
(2)To adjust one's vision or an optical device so as to render a clear, distinct image.
調焦：調整視力或光學儀器以使圖像鮮明清晰
(3)To concentrate attention or energy:
集中：集中注意力或能力：
a campaign that focused on economic issues.
一次集中解決經濟問題的運動
語源
Latin [hearth]
拉丁語 [火爐]
繼承用法
fo「cuser
n.（名詞）
現代英漢詞典
focus
[5fEJkEs]
n.
-cuses 或 -ci
(1)中心點
(2)焦點
(3)中心，集中點
to be a focus of attention
成為注意力的中心
"Because of his strange clothes, he immediately became the focus of attention when he entered the office."
"他由於服裝奇特,一走進辦公室便成了大家注意的中心。"
習慣用語
in focus
焦點對準，清晰
out of focus
焦點沒有對準，模糊
詞性變化
focus
vt., vi.
-s- 或 -ss-
(1)使集中於焦點；集中
to focus one's mind on work
集中精力於工作
You must try to focus your mind on work and study. (喻)
你應該努力把思想集中在工作的學習上。
All eyes were focused on the speaker. (喻)
大家的目光都集中在發言人身上。
(2)調焦距
This photograph looks funny; I think you forgot to focus the camera.
"這張照片看上去有些滑稽,我想你是忘了給照相機調焦距了。"
現代英漢綜合大辭典
focus
[5fEukEs]
n.
(pl. focuses, foci [5fEusai])
(1)【物】焦點
(2)焦距; 對焦點, 聚焦, 配光
(3)(問題, 活動、興趣等的)中心
(4)【醫】病灶
(5)(地震的)震源
(6)焦點範圍
(7)螺旋極點
(8)美國中西部考古學系統的分類單位
(9)疫源地
focus electrode
【無】聚焦電極
the focus of world's attention
世界注意的中心
詞性變化
focus
[5fEukEs]
vt.
(1)使聚焦, 集中; 使注視
(2)調節鏡頭[焦距等]
vi.
(1)聚焦, 注視
(2)調焦距
繼承用法
focus center
n.
焦心點
focus-class
n.
焦點類
focus-out
n.
散焦
focusable
adj.
focuser
n.
聚焦放大鏡; 聚焦裝置
習慣用語
bring into focus (=bring to a focus)
使集中在焦點上; 使清楚起來; 使明朗化; 使突出
come into focus
(某物)輪廓明顯, 清晰; (問題)突出
in focus
焦距對準, 清晰
out of focus
焦距沒對準, 模糊
with focus on
把焦點集中在
focus out
散焦
特殊用法
actinic focus
光化焦點
annular focus
環形焦點
apparant focus
虛焦點
automatic focus
自動聚焦
beam focus
電子束聚焦
centre-to-edge focus
中心至邊緣的聚焦
chemical focus
化學焦點
circular focus
圓形焦點
conjugate focus
共軛焦點
corner focus
角聚焦coud focus 折軸鏡焦點
deep focus
深(震)源
earthquake focus
震源
hypocentre focus
震源
seismic focus
震源
electrostatic focus
靜電聚焦[焦點]
equivalent focus
等效焦點
fine focus
細焦點
fixed focus
固定焦距[焦點]
follow focus
跟(鏡頭聚)焦
front focus
前焦點
gun focus
電子槍焦點
image focus
象焦點
line focus
行聚焦
long focus
長焦距
marginal focus
邊緣焦點
meridional focus
子午焦點
multiplier focus
倍增器聚焦
pan focus
泛焦(遠近景同時攝影法)
paraxial focus
傍軸焦點
pinpointed focus
最佳焦點[距]
plasma focus
等離子體焦點
principal focus
主焦點
prime focus
主焦點
rear focus
象方焦點, 後焦點
rectangular focus
矩形焦點
retro focus
焦點後移, 負焦距
saddle focus
鞍式焦點
sagittal focus
徑向焦點
seismic focus (=hypocentre)
震源
selective focus
選擇聚焦
sharp focus
銳[強, 准]聚焦
soft focus
軟焦點(照片)
split focus
折中[分裂]焦點
stable focus
穩定(的)焦點
tangential focus
切向焦點
vertical dynamic focus
垂直動態聚焦
view finder focus
尋象器聚焦
violet focus
紫色光焦點
virtual focus
虛焦點
基本詞義
FOCUS
=Forum of Control Users 控制數據公司用戶論壇[美]
用法詞典
focus
源自拉丁語，原義是火爐。公元1604年開普勒用於數學意義上，叫焦點
英文相關詞典
focus
adjustconcentrate
[七國語言]英漢地理大詞典
focus
焦點
[七國語言]英漢電子大詞典
focus
焦點
[七國語言]英漢電子工程大詞典
focus
焦點
[七國語言]英漢公共大詞典
focus
集中;聚焦
[七國語言]英漢化學大詞典
focus
焦點
[七國語言]英漢機械大詞典
focus
焦點
[七國語言]英漢建築大詞典
focus
焦點
[七國語言]英漢數學大詞典
focus
焦點
[七國語言]英漢物理大詞典
focus
焦點
[七國語言]英漢醫學大詞典
focus
病灶, 焦點
[七國語言]英漢原子能大詞典
focus
焦點
美國傳統詞典
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.
語源
Latin [hearth]
繼承用法
fo「cuser
n.
[名詞委審定]英漢力學名詞(1993)
focus
(1)焦點
(2)一種奇點。
[名詞委審定]英漢數學名詞(1993)
focus
(1)焦點
(2)常微分方程組的一種孤立奇點。
[名詞委審定]英漢物理學名詞(1996)
focus
焦點
英漢船舶大詞典
focus
n.焦點,震源
朗文英漢綜合電腦詞典
FOCUS
FOCUS信息控制系統(Information Builders公司);聚焦，焦點
英漢電信大詞典
focus
n.焦點
英漢地質大詞典
focus
n.焦點,震源;n.震源
英漢紡織大詞典
focus
n.焦點,聚焦,焦距
英漢廣播大詞典
focus
n.聚焦,焦點
英漢環境大詞典
focus
n.震中,焦點
英漢航空大詞典
focus
n.焦點,聚焦
英漢化學大詞典
focus
n.焦點;vt.聚焦
英漢海運大詞典
focus
焦點焦距，聚焦(使)聚焦
基本詞義
focus
焦點，聚焦使集中在焦點
基本詞義
focus
焦點焦距，聚焦
基本詞義
focus
(使)聚焦，焦點，焦距
基本詞義
focus
焦點，聚焦使集中在焦點
英漢計算機大詞典
focus
n.焦點;vt.聚焦
英漢機械大詞典
focus
n.焦點,聚焦
英漢建築大詞典
focus
n.焦點,焦距,聚焦
英漢農牧林大詞典
focus
n.焦點,震源
英漢能源大詞典
focus
n.焦點,震源
英漢汽車大詞典
focus
n.焦點
英漢消防大詞典
focus
１焦點 ２震源
英漢心理學大詞典
focus
焦點
英漢冶金大詞典
focus
n.焦點,焦距
英漢醫學大詞典
focus
n.病灶,調焦
英漢中醫大詞典
focus
n.病灶,灶,集中