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发表于:2017-09-27
Thisskylightcouldbeshadedinsummertopreventexcesssunlightexposure.Melanomaisthemostdangeroustypeofskincancerandisrelatedtosunlightexposure.Ricketsoccursbecauseofadeficienc...
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发表于:2018-01-30
Therateofshedleavesandbollopenwereinfluencedbytemperatureandsunlighthours.Datafromthespacecraftfoundthelunarsoilsbecameincreasinglydampduringsunlighthours,butdriedoutagai...
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发表于:2017-08-09
Thecucumberisoneofmainvegetablecropswhichinthesunlightgreenhouseplantsandtakesupthe60%ofthegreenhousevegetablesarea.Experimentsonchemicalcontrolofweedsinsunlightgreenhous...
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发表于:2018-04-07
artificialsunlightlamp16-shaftsealerforsunlightlamp...
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发表于:2017-04-23
Don'treadinthesunlight.Thereflectedsunlightisblinder.Therainstormretirescloudsopensunlight.Thenewspaperhadbeenyellowedbysunlight.Thecurtainsscreenoutthesunlight.Thesunli...