abaci

Vintage wares share display space with abacuses and Houdini T-shirts at Salmagundi West.

有特色的温哥华图片。葡萄酒制品分享显示区和算盘和霍迪尼T-恤衫在大杂烩西。

They also learned to use the abacus.

还学习珠算。

Disposing welding section steel cross bridging in the slab-column system is a good means to avoid disposing abaci and elevating shear resistance.

合理设置型钢剪力是避免设置柱帽和板托,同时有板柱节点抗冲切承载力的最受欢迎的有手段。