reflectance
gb/ɹˈɛflˈɛktəns/ us/ɹˈɛflˈɛktəns/
C1
英语
~ 3200
reflektancia, visszaverési tényező
名词
C1
TECHNICAL
1
用法模式：
[something] has a reflectance of [value]
The snow's high reflectance helps keep the region cool.
A hó magas reflektanciája segít hűvösen tartani a térséget.
Scientists measured the reflectance of the new material under different wavelengths.
A tudósok különböző hullámhosszakon mérték az új anyag reflektanciáját.
Low reflectance surfaces are often used to reduce glare in photography.
Satellite images use surface reflectance to study vegetation health.
The paint's reflectance determines how bright it appears in sunlight.
学习者例句
Snow has a high reflectance.
A hónak magas a reflektanciája.
They measured the wall's reflectance.
Megmérték a fal reflektanciáját.
The mirror has high reflectance.
Dark cloth has low reflectance.
常见错误：
Learners sometimes confuse 'reflectance' with 'reflection'. 'Reflection' is the image or process, while 'reflectance' is a measured property.
含义
proportion of light reflected
搭配
high reflectance
|low reflectance
|reflectance value
|reflectance measurement
|surface reflectance
近义词
albedo (Used especially in astronomy and climate science to describe the reflectivity of planets or surfaces.)
|
reflectivity (A near-synonym in physics; sometimes used interchangeably but can refer more broadly to reflective properties.)
反义词
absorbance (Refers to the amount of light absorbed rather than reflected.)
|
transmittance (Refers to the amount of light that passes through rather than being reflected.)
主题
science
|physics
|optics
释义
How much light a surface sends back when light hits it.
The proportion of light or other radiation striking a surface that is reflected back rather than absorbed or transmitted.
语法
词典原形
reflectance
IPA
GB/ɹˈɛflˈɛktəns/
US/ɹˈɛflˈɛktəns/
音节与重音
re - flect - ance （3 个音节）
Stress on 1st syllable (re)
词形变化
Noun
- Base: reflectance
- Plural: reflectances
词族
Forms
reflectances
noun
Core family
Related words
reflectively
adverb
reflector
noun
Negative and opposite forms
unreflective
adjective
nonreflective
adjective
Advanced or less common
reflectivity
noun
相关表达
这个词条暂未关联相关表达。