您要查找的是不是：
- fermat spiral 费马螺线
- Military budget continue to spiral. 军费预算继续上升。
- Military budgets continued to spiral. 军事预算继续急遽增加。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- A large spiral brass tuba that fits around the player's shoulder. 海力空大号，圈形大号由演奏者掮在其肩上吹奏的大型螺旋状铜号
- A circular or spiral motion, especially a circular ocean current. 游涡一种圆形或螺旋形的运动，特别是做圆环运动的海水水流
- An individual spiral or ring within such a series. 一圈在一系列中单个螺旋线或环
- Vortex fields will have a spiral drawn. 漩涡场将会有一个螺旋线。
- Their profits began to spiral down disastrously. 他们的利润开始螺旋形地急剧下降。
- Lens equation is derived by using Fermat"s principle. 用费马原理推导了透镜的物像公式.
- Society invariably moves forward in a spiral. 社会的运动总是采取螺旋形前进的。
- Generation Fermat's principle into left handed materials[J]. 引用该论文 谭康伯;梁昌洪;安翔.
- The production in this factory is spiral. 这个厂的产量呈盘旋上升。
- Gleason spiral bevel gear cutter. 格里森螺旋伞齿轮铣刀。
- The spiral nebulae are impressive objects. 旋涡星云是迷人的天体。
- Her hair was styled into a cascade of spiral curls. 她的头发被做成了瀑布般的螺旋形鬈发。
- To assume a spiral or curved shape. 呈现盘旋状，呈现螺旋状
- To revolve in or as if in a circle or spiral. 以或类似于于圆周或螺旋的形式转动
- Having a circular or spiral motion. 回旋的作圆周或螺旋式运动的
- Just how Fermat's ideas on coordinate geomitry evolved is not known. Fermat的坐标几何究竟是怎样产生的，我们尚不知道。
