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English

One office of the U.S. Navy actually designed a generic slide rule "chassis" with an aluminium body and plastic cursor into which celluloid cards (printed on both sides) could be placed for special calculations.

Chinese

美国海军的一个办公室实际上设计了一个通用算尺“底盘”,它由一个铝主体和塑料游标,可以把赛璐珞卡片(两面印刷)插到里面以进行特定的计算。