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- A boundary operation is developed to minimize the artificial reflections that arise when truncating the computational domain of an open region scattering or radiation problem. 摘要在运用数值方法求解开域散射问题时，需采用虚拟边界截断分析区域，这不可避免会造成人工反射。
- On Analysis of Spaces by Boundary Operator 从边界运算分析拓扑空间
- The lane is the boundary of our land. 那条小路就是我们这片地的界线。
- He's mending nicely after his operation. 手术后他正在顺利康复。
- The ball ran (ie rolled) to the boundary. 球向著边线滚去。
- The boundary is not clearly defined. 这疆界没有明确划定。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The fence marks the boundary between my land and hers. 这道栅栏是我的地和她的地的分界线。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- The shape, outline, or boundary of a coast. 海岸线海岸的形状、轮廓或边界
- The operation went like clockwork. 手术进行得极为顺利。
- The boundary line of a figure, area, or object. 周围一个图形、区域或物体的边界线
- When does the new law come into operation? 这项新法律何时生效？
- She was keyed up over her impending operation. 她为了即将进行的手术而心中忐忑不安。
- A mark indicating the boundary of such an interval. 刻度线，分度线指示这种间隔的界限的标记
- The actual operation lasted eight hours. 实际手术进行了8个钟头。
- The surgeon is performing a delicate operation. 那位外科医生正在做一个很精细的手术。
- The ball is caught by a fielder stand just inside the boundary. 那球被正站在边界线内的守场员接住了。
