In facsimile system, a rectangular area, the width of which is the available line and the length of which is determined by the service requirements.

传真系统中的矩形区，其宽度是可用行，其长度由服务要求决定。

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The large roller hearth furnace production line for annealing hot bearing RACES is designed as a rectangular and closed structure under the limit of the length of available shop.

轴承套圈余热退火辊底炉生产线是一高度机械化自动化的特大型加热设备。由于受厂房长度限制，设计成长方形的闭环结构，这是本设计的特点之一。

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Even on paper, the funding now available would not be enough to cover the financing needs of all of the countries in the firing line for any length of time.

BBC: Greece, France and the future of the euro