考研优美英语作文的背诵055
<p> <span word="CreatingColors">CreatingColors</span></p><p> <span word="There">There</span> <span word="are">are</span> <span word="two">two</span> <span word="ways">ways</span> <span word="to">to</span> <span word="create">create</span> <span word="colors">colors</span> <span word="in">in</span> <span word="a">a</span> <span word="photograph">photograph</span>. <span word="One">One</span> <span word="method">method</span>,<span word="called">called</span> <span word="additive">additive</span>, <span word="starts">starts</span> <span word="with">with</span> <span word="three">three</span> <span word="basic">basic</span> <span word="colors">colors</span> <span word="and">and</span> <span word="adds">adds</span> <span word="themtogether">themtogether</span> <span word="to">to</span> <span word="produce">produce</span> <span word="some">some</span> <span word="other">other</span> <span word="colors">colors</span>. <span word="The">The</span> <span word="second">second</span> <span word="method">method</span>, <span word="calledsubtractive">calledsubtractive</span>, <span word="starts">starts</span> <span word="with">with</span> <span word="white">white</span> <span word="light">light</span> <span word="and">and</span> <span word="by">by</span> <span word="taking">taking</span> <span word="away">away</span> <span word="some">some</span> <span word="or">or</span> <span word="all">all</span> <span word="other">other</span> <span word="colors">colors</span> <span word="leaves">leaves</span> <span word="the">the</span> <span word="one">one</span> <span word="desired">desired</span>.</p><p> <span word="In">In</span> <span word="the">the</span> <span word="additive">additive</span> <span word="method">method</span> <span word="separate">separate</span> <span word="colored">colored</span> <span word="lights">lights</span> <span word="arecombined">arecombined</span> <span word="to">to</span> <span word="produce">produce</span> <span word="various">various</span> <span word="other">other</span> <span word="colors">colors</span>. <span word="The">The</span> <span word="three">three</span> <span word="additive">additive</span> <span word="primarycolors">primarycolors</span> <span word="are">are</span> <span word="green">green</span>, <span word="red">red</span> <span word="and">and</span> <span word="blue">blue</span> . <span word="Mixed">Mixed</span> <span word="in">in</span> <span word="varyingproportions">varyingproportions</span>, <span word="they">they</span> <span word="can">can</span> <span word="produce">produce</span> <span word="all">all</span> <span word="colors">colors</span>.</p><p> <span word="Green">Green</span> <span word="and">and</span> <span word="red">red</span> <span word="light">light</span> <span word="mix">mix</span> <span word="to">to</span> <span word="produce">produce</span> <span word="yellow">yellow</span>, <span word="redand">redand</span> <span word="blue">blue</span> <span word="light">light</span> <span word="mix">mix</span> <span word="to">to</span> <span word="produce">produce</span> <span word="magenta">magenta</span>, <span word="green">green</span> <span word="and">and</span> <span word="blue">blue</span> <span word="mix">mix</span> <span word="toproduce">toproduce</span> <span word="cyan">cyan</span>. <span word="When">When</span> <span word="equal">equal</span> <span word="parts">parts</span> <span word="of">of</span> <span word="all">all</span> <span word="three">three</span> <span word="of">of</span> <span word="theseprimary">theseprimary</span> <span word="colored">colored</span> <span word="beams">beams</span> <span word="of">of</span> <span word="light">light</span> <span word="overlap">overlap</span>, <span word="the">the</span> <span word="mixture">mixture</span> <span word="appears">appears</span> <span word="white">white</span> <span word="to">to</span> <span word="the">the</span> <span word="eye">eye</span>.<span word="Inthe">Inthe</span> <span word="subtractive">subtractive</span> <span word="process">process</span>, <span word="colors">colors</span> <span word="are">are</span> <span word="produced">produced</span> <span word="when">when</span> <span word="dye">dye</span> <span word="absorbs">absorbs</span> <span word="some">some</span> <span word="wavelengths">wavelengths</span> <span word="and">and</span> <span word="so">so</span> <span word="passes">passes</span> <span word="on">on</span> <span word="only">only</span> <span word="part">part</span> <span word="ofthe">ofthe</span> <span word="spectrum">spectrum</span>. <span word="The">The</span> <span word="subtractive">subtractive</span> <span word="primaries">primaries</span> <span word="are">are</span> <span word="cyan">cyan</span> , <span word="magenta">magenta</span> , <span word="and">and</span> <span word="yellow">yellow</span>; <span word="these">these</span> <span word="are">are</span> <span word="the">the</span> <span word="pigments">pigments</span> <span word="or">or</span> <span word="dyesthat">dyesthat</span> <span word="absorb">absorb</span> <span word="red">red</span>, <span word="green">green</span> <span word="and">and</span> <span word="bluewavelengths">bluewavelengths</span>, <span word="respectively">respectively</span>, <span word="thus">thus</span> <span word="subtracting">subtracting</span> <span word="them">them</span> <span word="from">from</span> <span word="whitelight">whitelight</span>. <span word="These">These</span> <span word="dye">dye</span> <span word="colors">colors</span> <span word="are">are</span> <span word="the">the</span> <span word="complementary">complementary</span> <span word="colors">colors</span> <span word="tothe">tothe</span> <span word="three">three</span> <span word="additive">additive</span> <span word="primaries">primaries</span> <span word="of">of</span> <span word="red">red</span>, <span word="green">green</span> <span word="and">and</span> <span word="blue">blue</span>. <span word="Properlycombined">Properlycombined</span>, <span word="the">the</span> <span word="subtractive">subtractive</span> <span word="primaries">primaries</span> <span word="can">can</span> <span word="absorb">absorb</span> <span word="all">all</span> <span word="colorsof">colorsof</span> <span word="light">light</span>, <span word="producing">producing</span> <span word="black">black</span>. <span word="But">But</span>, <span word="mixed">mixed</span> <span word="in">in</span> <span word="varyingproportions">varyingproportions</span> <span word="they">they</span> <span word="too">too</span> <span word="can">can</span> <span word="produce">produce</span> <span word="any">any</span> <span word="color">color</span> <span word="in">in</span> <span word="the">the</span> <span word="spectrum">spectrum</span>.<span word="Whethera">Whethera</span> <span word="particular">particular</span> <span word="color">color</span> <span word="is">is</span> <span word="obtained">obtained</span> <span word="by">by</span> <span word="adding">adding</span> <span word="colored">colored</span> <span word="lights">lights</span> <span word="together">together</span> <span word="or">or</span> <span word="by">by</span> <span word="subtracting">subtracting</span> <span word="some">some</span> <span word="light">light</span> <span word="from">from</span> <span word="the">the</span> <span word="total">total</span> <span word="spectrum">spectrum</span>, <span word="theresult">theresult</span> <span word="looks">looks</span> <span word="the">the</span> <span word="same">same</span> <span word="to">to</span> <span word="the">the</span> <span word="eye">eye</span>. <span word="The">The</span> <span word="additive">additive</span> <span word="process">process</span> <span word="was">was</span> <span word="employed">employed</span> <span word="for">for</span> <span word="earlycolor">earlycolor</span> <span word="photography">photography</span>. <span word="But">But</span> <span word="the">the</span> <span word="subtractive">subtractive</span> <span word="method">method</span>, <span word="while">while</span> <span word="requiring">requiring</span> <span word="complexchemical">complexchemical</span> <span word="techniques">techniques</span>, <span word="has">has</span> <span word="turned">turned</span> <span word="out">out</span> <span word="to">to</span> <span word="be">be</span> <span word="more">more</span> <span word="practical">practical</span> <span word="andis">andis</span> <span word="the">the</span> <span word="basis">basis</span> <span word="of">of</span> <span word="all">all</span> <span word="modern">modern</span> <span word="color">color</span> <span word="films">films</span>.</p>
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