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water resources in the world
释义
water resources in the world
Encyclopedia
工学
水资源
释
water resources in the world
世界水资源
地球上通过水循环的更新补充,以满足生产、生活、生态用水需要的淡水。
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unirational manifold
unirational surface
unirational variety
unirefringence
uniruled manifold
uniruled variety
uniserial
uniserial algebra
uniserial module
uniserial ring
unisexual fish
unisexual flower
Unisexual reproduction
unisexual style
unisex wear
unisolvent
unisolvent function
unisolvent function space
unisolvent system of functions
unison
unisource
unispore
unistable polyhedron
unit
Unit 731
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