The arranging of three-gorges permanent lock chamber is a multi-objective planning problem.

三峡永久船闸的编排问题是一个多目标规划问题。

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The load lock chamber may be provided with at least two mutually distinct object support positions.

所述装载锁闭装置室设有至少两个彼此不同的物体支承位置。

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The calculation methods of lock chamber wall are mostly approximate with many assumptions, which still need proving both by theory and experiments.

对于岩基上船闸闸室墙的计算方法大多均是作了许多假定不完善的近似方法，其假定是否成立仍需在理论、实验上进一步探讨。

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Iowa State University economist Philip Baumel says the river, could get by with small fixes like extending lock chamber walls or replacing the first-come-first- serve system with a reservation system to relieve congestion.

FORBES: A river of subsidies

We have analyzed the apparent fix that Kaba has implemented in their combination chamber (the brains of the lock) to stop it from being opened by a strong magnet.

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The air lock installation is the primary objective of the Atlantis mission, with the two-room chamber allowing space station crews to venture from the station in NASA spacesuits without the assistance of visiting shuttles.

CNN: Air lock installed on space station