求翻译：哥特式教堂的结构体系由石头的骨架券和飞扶壁组成。其基本单元是在一个正方形或矩形平面四角的柱子上做双圆心骨架尖券，四边和对角线上各一道，屋面石板架在券上，形成拱顶。是什么意思？

The Gothic church of the structural system by the stone skeleton coupons and flying buttresses. Its basic unit is a square or rectangular flat corners of the pillars on each one of the two-center of the circle skeleton tip vouchers, four sides and the diagonal, roofing slate frame on the coupons, th

Gothic church architecture of the skeleton by stone coupons and the Rotary Club of wall. The basic unit is in a square or rectangular plane on 4 corners of the pillars had a double-circle, and 4 skeleton point coupons on the side and diagonal lines, roofs on the voucher in slate to form arches.

The gothic cathedral structure system and flies the buttress by the stone skeleton ticket to be composed.Its basic unit is makes the double circular spirit point ticket in a square or on the rectangular plane four jiao pillars, nearby in the fours and the diagonal line each together, table slate in

Gothic church architecture is made up of stone skeleton of coupons and the flying buttress. Its basic element is a square or rectangular Planar double circle on the four pillars of skeleton pointed arch, on the sides and diagonal, roof slates on the coupon, formation vaults.

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