英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Illuminance: Definition, Formula, Units, and Applications
    Illuminance serves as the quantitative backbone for understanding how light interacts with surfaces It represents the quantity of light falling onto a given surface area
  • Luminance vs. Illuminance: What’s the Difference? - HunterLab
    What Is Illuminance? In a single sentence, the illuminance formula means how much luminous flux is spread over an area — it is the intensity of light falling onto a surface Illuminance is a concept of photometry, represented by the amount of light received on a surface
  • ILLUMINANCE Definition Meaning - Merriam-Webster
    Ewan Spence, Forbes, 18 June 2021 As the full rose moon began to crest over the tops of the townhomes, the blasts from the fireworks started as well, booming in the sky with the moon—illuminance from both God and man
  • Lux - Wikipedia
    Illuminance is a measure of how much luminous flux is spread over a given area One can think of luminous flux (with the unit lumen) as a measure of the total "amount" of visible light present, and the illuminance as a measure of the intensity of illumination on a surface
  • The Physics of Luminous Flux, Intensity, and Illuminance Explained
    Luminous flux is the total visible light a source emits, luminous intensity is how strongly that light shines in a particular direction, and illuminance is how much of that light lands on a surface
  • What Is Illuminance and How Is It Measured? - Engineer Fix
    While illuminance is the amount of light arriving at a surface, luminance is the amount of light that is reflected from or emitted by that surface in a particular direction
  • Understanding Lux and Illuminance: A Guide to Light Levels
    This article explains lux (illuminance), its relationship to lumens and footcandles, and provides recommended light levels for different environments
  • Illuminance – intensity of illumination, measurement, photometer
    Illuminance is a photometric quantity that measures the intensity of illumination on a surface It is defined as the luminous flux incident per unit area, with the SI unit being lux (lx), which equals one lumen per square meter (lm m 2)
  • Illuminance - an overview | ScienceDirect Topics
    Illuminance is used to construct a local and short-term metric assessing the amount of light with a one-tailed criterion Different illuminance thresholds are associated to the different building typologies and kind of use of spaces in a building





中文字典-英文字典  2005-2009