- 对数: logarithm
- 梯形: ladder-shaped trapezoid; tra ...
- 区: H region; H
- 对数蜗形区: logarithmic spiral sector
- 梯形: 1.(形状像梯子的) ladder-shaped2.[数学] [美国] trapezoid; [英国] trapezium3.ladder type (如滤波、网络等); scalariform◇梯形坝 cipollettic dam; 梯形图 ladder diagram; 梯形尾翼 trapezoid tail; 梯形线 adder track; 梯形堰 cipolletti weir; 梯形翼 [航空] trapezoidal wing; tapered airfoil
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