我们经常看到视频文件后面都会带个P(例如1080P25P等)，请问这个P代表什么意思？

下面那个是达芬奇变速控制（Windows系统）的快捷键？

不同的剪辑软件之间相互导入各自的工程项目，通常会选择那种格式的剪辑表？

视频使用以下那个采样率，保留的色彩信息最多？

目前用于网络播放的主流视频都是多少位的色彩？

下面那个是NTSC制式的常用帧速率？

下面那个是电影变形宽荧幕的画面宽高比？

使用剪辑软件导出视频时如果把码率设置为12000kb/s那么导出10分钟的视频理论上约有多大？

视频制作过程中最常用的中间片编码（或者说压缩最小,保留色彩信息最多的编码）是那个？

中国电视采用那种制式？

4K超高清电视（UHDTV）的分辨率是多少？

全高清电视（FHDTV）的画幅宽高比为多少？

现阶段电影的常用帧速率是多少？

在生态系统保护和修复中，要把（）放在首位。

Inspring,chickensstartlayingagain,bringingawelcomesourceofproteinatwinter’send.Soit’snosurprisethatculturesaroundtheworldcelebratespringbyhonoringtheegg.Sometraditionsaresimple,liketheredeggsthatgetbakedintoGreekEasterbreads.Otherselevatetheeggintoafancyart,liketheheavilyjewel-covered“eggs”thatwerefavoredbytheRussiansstartinginthe19thcentury.OneancientformofeggartcomestousfromUkraine.Forcenturies,Ukrainianshavebeendrawingcomplicatedpatternsoneggs.Contemporaryartistshavefollowedthistraditiontocreateeggsthatspeaktotheanxietiesofourage:Lifeisprecious,anddelicate.Eggsare,too.“There’ssomethingabouttheirdelicatenaturethatappealstome,”saysNewYorkercartoonistRozChast.Severalyearsago,shebecameinterestedineggsandlearnedthetraditionalUkrainiantechniquetodrawherverymodemcharacters.“I’vebrokeneggsateverystageoftheprocess—fromtheverybeginningtothevery,veryend.”Butthere’sanappealinthatvulnerability.“There’spartofthissickeninghorrorofknowingyou’rewalkingontheedgewiththis,thatIkindoflike,knowingthatitcouldallfallapartatanysecond.”Chast’sdesigns,suchasaworriedmanaloneinatinyrowboat,reflectthatdelicateness.TraditionalUkrainiandecoratedeggsalsospoketothosefears.Theelaboratepatternswerebelievedtoofferprotectionagainstevil.“There’sanancientlegendthataslongastheseeggsaremade,evilwillnotprevailintheworld,”saysJoanBrander,aCanadianegg-painterwhohasbeenpaintingeggsforover60years,havinglearnedtheartfromherUkrainianrelatives.Thetradition,datingbackto300B.C.,waslaterincorporatedintotheChristianchurch.Theoldsymbols,however,stillendure.Adecoratedeggwithabirdonit,giventoayoungmarriedcouple,isawishforchildren.Adecoratedeggthrownintothefieldwouldbeawishforagoodharvest.Whyhavecontemporaryartistscontinuedtheeggarttradition?