惑許Perhaps - 【空氣汙染知多少(一)】- A.Q.I

【空氣汙染知多少(一)】- A.Q.I - A.Q.I全名為Air Quality Index，意為空氣質量指數，是一種非線性無量綱指數，分為六個等級，數字愈高或顏色愈深代表空氣汙染程度愈 ... FacebookEmailorphonePasswordForgottenaccount?CreateNewAccountYou’reTemporarilyBlockedYou’reTemporarilyBlockedItlookslikeyouweremisusingthisfeaturebygoingtoofast.You’vebeentemporarilyblockedfromusingit.English(UK)中文(简体)BahasaIndonesia日本語ภาษาไทยTiếngViệt한국어EspañolPortuguês(Brasil)Français(France)DeutschSignUpLoginMessengerFacebookLiteWatchPlacesGamesMarketplaceFacebookPayOculusPortalInstagramBulletinLocalFundraisersServicesVotingInformationCentreGroupsAboutCreateadCreatePageDevelopersCareersPrivacyCookiesAdChoicesTermsHelpContactuploadingandnon-usersSettingsActivitylogMeta©2022