The rate of regular or graded ascent or descent.

倾斜度；斜率；坡度。

Rate of change from point to point of a physical quantity, such as pressure, temperature, electrical potential.

【理】(一物理数从一点到另一点)变化率(如压力、温度、电位等)。

Curve which represents this.

变化率的曲线。

Advancing by steps.

依次渐升的；渐进的。

Fitted for walking, as the feet of certain birds.

适于步行的(如某些鸟类的爪)。