The backstep is most effective when the outside edge of the front of the shoe is what contacts the hold — in the vicinity of the baby toe and the next toe in from the baby toe.
当鞋尖的外侧（接近小趾和小趾旁边的脚趾那部分）踩点时，侧踩是最有效率的。
The backstep is most effective when the outside edge of the front of the shoe is what contacts the hold — in the vicinity of the baby toe and the next toe in from the baby toe.
当鞋尖的外侧（接近小趾和小趾旁边的脚趾那部分）踩点时，侧踩是最有效率的。
Numerical simulations of laminar flow separation and reattachment occurred in an annular backstep passage are performed by the SIMPLER algorithm.
用SIMPLER算法对流过环形后台
通道内的层流分离和再附着进行了数值模拟。
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代表本软件的观点；若发现问题，欢迎向我们指正。
