PHILADELPHIA (CBS) -- Air Quality Index (AQI) refers to the Environmental Protection Agency's scale regarding the health impact of air quality and pollution in the U.S., regulated under theClear Air Act. Within this scale, the EPA established five major air pollutants, which have ...
the frameworkofautomotivequalitysystems and automotive requirements,meaningtight tolerance products manufactured [...] hydro.com hydro.com 该精密型材是根据汽车质量体系和汽车的要求进行生产的,意味着在严格的操作控制下生产出具备良好尺寸精度的产品。
went on the air (2) : airtime 3 a : outward appearance of a thing an air of luxury b : a surrounding or pervading influence : atmosphere an air of mystery c : the look, appearance, or bearing of a person especially as expressive of some personal quality or emotion : demeanor ...
The meaning of AIR is the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; also : the equivalent mix of gases on another celestial object (such as a planet). How to use air in a sentence. Synonym Discu
Britannica Dictionary definition of QUALITY 1 [noncount]:how good or bad something is Pollution affects air/waterquality. The restaurant serves food of highquality. [=the food at the restaurant is very good] The dress material is of poorquality. [=the dress material is not good] ...
you know that the answer is “Yes” because you have seen an insect named a “fly” go up in the air and move around through the air … which is what “fly” means. Can a Fly, Fly Of course, it can!【1】The passage can help you better understand ___ .A.the forms of the wo...
-some definition: being an undetermined or unspecified one. See examples of -SOME used in a sentence.
"Luftmensch," literally meaning "air person," is the Yiddish way of describing someone who is a bit of a dreamer. Did You Know? The word "infant" comes from the Latin word "infans" which literally means "unable to speak; speechless." ...
medium rangeofairpollution level by the Government's standard,meaningthat airqualitywasacceptable. legco.gov.hk legco.gov.hk 然而,按照政府的標準,這 些一般監測站的全年平均空氣污染指數屬中等空氣污染水平,表示空氣質素可以接受。 legco.gov.hk legco.gov.hk ...
With seemingly more uncommon occurrences or extreme weather conditions occurring, there may be situations where environmental data without these extremes are useful. For example, consider a measure of average air quality or the amount of water contamination. Abnormally high or low levels of contamination...