Le1
居高声自远
非是藉秋风
无题 一
岁月溢出的情丝
团子，这不是我想要的结局
😭😭😭
water wave -ray theory 3
hydrodynamic fundamental, small amplitude wave
water wave -ray theory 2
hydrodynamic fundamental, small amplitude wave
water wave -ray theory 1
hydrodynamic fundamental, three conservation equations
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