暴雨流冲刷:山坡壶穴的成因 嵇少丞 Département des Génies Civil, Géologique et des Mines, École Polytechnique de Montréal, Montréal, Québec, H3C 3A7, Canada 内容提要: 暴雨是常见的气象现象, 雨水顺着山坡迅速 ...
Rubik's Cube: swap three edge cubies "Hold the Rubik's Cube in this way: F(front) side facing you;" "U(up) side facing upwards; R(right) side facing to the right;" "B(back) side facing away from you; L(left) side facing to the left;" "D(down) side facing downwards." "The ...
Rubik's Cube: Only Two Corner Cubies Twist "Hold the Rubik's Cube in this way: F(front) side facing you;" "U(up) side facing upwards; R(right) side facing to the right;" "B(back) side facing away from you; L(left) side facing to the left;" "D(down) side facing downwards." "The notations of describi ...
"Three Corner Cubies Twist" "Hold the Rubik's Cube in this way: F(front) side facing you;" "U(up) side facing upwards; R(right) side facing to the right;" "B(back) side facing away from you; L(left) side facing to the left;" "D(down) side facing downwards." "The notations of describing the movement ...
"Hold the Rubik's Cube in this way: F(front) side facing you;" "U(up) side facing upwards; R(right) side facing to the right;" "B(back) side facing away from you; L(left) side facing to the left;" "D(down) side facing downwards." "The notations of describing the movement of Rubik's Cube using these ...
Rubik's Cube: swap four edge cubies "Hold the Rubik's Cube in this way: F(front) side facing you;" "U(up) side facing upwards; R(right) side facing to the right;" "B(back) side facing away from you; L(left) side facing to the left;" "D(down) side facing downwards." "The notations of describing the ...