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#水源危機
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#水源危機:
"1"
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立即播放
科技大突破(06)水資源啟示錄
分級:
普遍級
片長:
48 min
發音:
華語
發行:
2017-06
導演:
美國國家地理頻道 製作
地球常被稱作「藍色彈珠」，在太空中散發著淡藍色光暈，白色雲朵盤旋在外。遠遠地看起來像是水源豐沛，仔細觀察後才知道，雖然地球表面多為水體覆蓋，可飲用的水卻是少之又少。海洋鹹水佔據地球97%的水體，兩極冰...
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