Round-Back

网络释义：圆背；圆脊；又称老年圆背

网络释义

1.圆背 Playing card varnishing― 扑克牌油 9.round back― 圆脊 10.square back― 方脊 ...

3.又称老年圆背为组织牵扯感觉（tissue stretch） 圆背畸形（round back）与平背畸形（flat back），其骨盆倾斜角度（pelvic incpnation） …

1.Their appearance, not required to be in the form of a book bound round back, side back and three soft surface.外观上，精装形式可分成圆背、方背和软面三种。

2.Turn of side of the protruding after sunken back, smooth back, round back, rachis , rachis .凹背、平背、圆背、脊柱后凸、脊柱侧弯等。

3.In aftertime in Chinese Dao most are straight back or round back.后世中国刀多见平造平背或圆背。