The yellow mud brick wall that was denudated by the years incorporated with the ridge of the tile under the sun 那被岁月剥蚀的黄泥砖墙与日晖里的瓦脊融为一体。
2.
The procedures are fixation , entire staining , isolation with acid , denudating ovule , transparence , pressuring cover glass and observation 其步骤：固定、硼砂洋红整体染色、酸解离、剥离胚珠、透明、压片、观察。
3.
According to whether there are later tectonic activities or not it can be divided into mountain planation surface , lower planation surface and buried planation surface . according to active condition , it can be divided into active surface , dormant surface , exotic surface and defunct surface . taking the base level into consideration , it can be divided into sea - eroded and deposited planation surface , denudated planation surface , snowline planation surface and upper eroded planation surface 依据夷平面形成后是否遭到后期构造变动将夷平面分为山地夷平面、原地夷平面和埋藏夷平面；依据夷平面的活动状态可分为活动面、休眠面、外来面和废止面；依据侵蚀基准面可分为海蚀-堆积夷平面、剥蚀夷平面、雪线夷平面和上部剥蚀夷平面；依据基底可分为稳定地带上的夷平面和活动地带上的夷平面；依据气候带可分为准平原、山麓面和联合山麓面、双层水平面和刻蚀平原、冻融山足面和冻融剥夷平原。
