人工智能时代,天气如何预报》阅读练习及答案 .pdfVIP

人工智能时代,天气如何预报》阅读练习

及答案

Withthedevelopmentofartificialintelligence。XXXpast。

XXXdescriptive。butnowtheyaredigitalandgrid-based。For

example。ChinaXXXreleaseweatherforecastsforonly2400

towns。withXXX。in2012.thenalXXXanewproductcalled

fine-grainedforecastingformajorcities。XXXandtemperature

every6hours。Despitethisimprovement。itstilldidnotmeetthe

demandsofusindustriesandthepublic。

Toaddressthisissue。theconceptofgrid-basedforecasting

wasintroducedinChinasfine-grainedforecastingbusiness。This

meansthatChinaandeachcitysncanbedividedintomanygrids

of5kmx5kmoreven1kmx1km。justliketheXXXineachgrid

mayvary。andthepubliclivesinthesegrids。Comparedtotheus

fixed-pointforecasting。grid-basedforecastingisXXX。For

example。insteadofusingonlyonepointtoXXXofawholecity。

liketheNanjiaoObservatoryinBeijing。grid-basedforecasting

XXXineachgridofthecity。Moreover。grid-basedforecasting

canupdateandreleasensevery3hours。reflectingtheninboth

timeandspace。Thepubliccanalwaysknowwhattheweather

willbelikeintheircurrentgrid。includingtemperature。n。wind。

andotherbasicXXX。XXX10kmx10kmgridsandprovides

fine-grainedforecastsofvisibility。strongwinds。andother

elements。

Inthepast。thepublicwasXXX:temperature。wind。XXX。

fourcategoriesand18XXX。Thefirstcategoryisbasicelements。

includingtemperature。n。nphase。wind。cloudcover。

relativehumidity。andotherelements。Inthepast。onlyone

elementvaluewasreflectedina12-hourforecast。butnow。with

morepreciseandfrequentforecasts。thevaluesofdifferent

elementscanbereflectedindifferenttimeds。Thesecond

categoryisenvironmentalmeteorologicalelements。includingfog。

haze。sandstorms。visibility。andotherelements。Thethird

categoryishazardousweatherelements。includingshort-term

heavyn。thunderstorms。thun