Performing the pose with your back shin pressed against a wall supporting your hands on a chair seat will help with balance.

做这个体式的时候，将后侧腿靠墙壁，手掌放在座椅上来支撑，会帮你得到平衡。

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The size of the lateral pressure retaining wall is relative with soil and rock mechanics properties, wall, supporting structure form and displacement direction and size.

挡土墙侧向压力的大小与岩土力学性质、墙高、支护结构形式及位移方向和大小等因素有关。

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Pierson to observe that the openings read as if cut out of the wall rather than as heavy piers supporting a pediment.

WSJ: Prim Grandeur, Elegant Geometries | Charles Bulfinch | Lancaster Meetinghouse | By John Wilmerding

With their backs against the wall, Republicans in Congress ended up supporting some of the elements of the American Jobs Act, but others they refused to support because they made the choice that it was more important to protect subsidies for oil and gas companies, or tax loopholes for the wealthiest Americans.

WHITEHOUSE: Press Briefing

Hewlett-Packard ( HPQ - news - people ) (nyse: HPQ), I think there are a number of factors supporting our contention that FLEX will also perform comfortably above Wall Street expectations.

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