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- Introducing the Heaviside function, the thickness of the plate h(r) is displaced by a step curve (1) and adopting the modified iteration method, the second approximate solution for this model is obtained. 求解当中,先用一条阶梯曲线[1]来代替板厚h(r),引用Heaviside函数,然后给出任意变厚度圆薄板的修正迭代程序,直接求解方程,得到了二次近似解。
- stepped curve distance time protection 阶梯时限特性距离保护装置
- stepped curve distance-time protection 阶梯时限特性距离保护装置
- He stepped up so as to be able to speak. 为看得更清楚，他上到高处。
- My boss was too old to work well. He stepped down. 我的老板年龄太大，做不好工作了，他上星期离了职。
- The man stepped in and asked for my father. 那个人走进来求见我父亲。
- She stepped aside to let them pass. 她站到一边让他们走过去。
- The ice cracked as I stepped onto it. 我一踩冰就裂了。
- He bounced into the room with a springy step. 他以轻快的跑步跳进房间。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- He stepped on to the sidewalk from the bus. 他从公共汽车走下到人行道上。
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- They stepped out of the sun into the coolness. 他们到阴凉处躲避烈日。
- They stepped over his prone body. 他们从他俯卧的身体上踩过去。
- His spine developed a slight curve. 他的脊柱有点弯曲。
- The coast sweeps (away) northwards in a wide curve. 海岸呈一大弧形向北伸展。
- He stepped aside to let me pass. 他站到一边让我过去。
- I hope my ideas are in step with public opinion. 我希望我的想法跟公众舆论是一致的。
- She stepped on a loose stone and twisted her ankle. 她踩到一块松动的石头上，扭伤了脚踝。
- She summoned up her courage and stepped in. 她鼓起勇气走了进去。
