完全平坦的庭院地面几乎是不存在的,况且住宅室内地坪也是高出庭院地面的,联接坡上坡下,室内室外,就需要修建踏步。保留庭院的自然起伏,用踏步穿插其间,是十分生动有趣的。选择什么样的踏步形式踏步的形式主要看客观的要求和地段的状况。它可以是陡峭的或平缓的,狭窄的(图5)或宽阔的(图4);它处理得严整,富于人工美(图3),处理得自由更富于自然美(图2);甚至每阶踏步可以处理得长短不一(图 The completely flat courtyard floor is almost non-existent. Moreover, the residential indoor floor is also higher than the courtyard ground. It is necessary to build a stairway to connect the slope uphill, indoor and outdoor. Keeping the natural undulations of the courtyard and interspersed with the steps is very lively and interesting. What kind of stepping form is chosen mainly depends on the objective requirements and the conditions of the lot. It can be steep or flat, narrow (figure 5) or wide (figure 4); it is well-handled, full of artificial beauty (fig. 3), and freer to natural beauty (figure 2); even Every step can be handled in varying lengths (Figure