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- Entrance slit and the grating are fixed and the exit slit scans across the Rowland circle. 入射狭缝及光栅固定起来，出射狭缝扫描过罗兰圆。
- A conventional EDG design is based on the Rowland circle on which the end points of the input and output waveguides located. 原有EDG采用Rowland圆设计，输入输出在圆弧曲线上由条形波导引出。
- An accurate expression for the field distribution on Rowland circle is derived based on Hemholtz equation fulfilled by the scalar scattering field. 基于标量散射场满足的Hemholtz方程,推导出Rowland圆上场分布的精确表达式。
- She only unbends in the family circle. 她只在家庭环境里才不拘束。
- The children formed a circle round her. 孩子们在她周围围成了一个圈。
- We've booked seats in the circle. 我们预订了楼厅包厢的座位。
- He has a large circle of friends. 他有一大群朋友。
- She moves in a very small circle. 她的活动圈子很小。
- He has a wide circle of acquaintances. 他交游甚广。
- A planar region bounded by a circle. 圆形区，圆形空间被圆所包围的一个平面区域
- A square has four sides but a circle has no sides. 正方形有四条边，而圆形没有边。
- Sorry, exercise circle is sold out. 对不起，健身圈卖完了。
- He has only a narrow circle of friends. 他交游不广。
- The axis of a circle is its diameter. 圆的轴线是其直径。
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- The students sit in a circle on the floor. 学生们在地板上坐成一圈。
- A circle without a center is inconceivable. 一个没有圆心的圆是无法想像的。
- The children linked hands to make a circle. 孩子们挽起手来围成一个圈。
- Measure the diameter of this circle. 量一下这圆的直径。
- There is a circle of flowers around the statue. 塑像周围鲜花环绕。
