boundary map政治行政区划图
boundaryn.边界;分界线
boundary layer flow边界层怜
boundary parenchyma轮界薄壁组织,轮限薄壁组织
boundary wavelength边界波长
boundary definition边界确定
boundary resistance边界阻力
boundary test point边界测试点
boundary layer trip边界层激流丝
boundary constraint边界约束
boundary layer edge边界层边缘
boundary of a chain链的边缘