The frequency polygon is simpler than its histogram counterpart.频率多边形比直方图更简单.The stress range histogram was used to estimate the effective root - mean - square stress range.应力范围直方图可用作估算等效 均方根 应用力范围.This example demonstra...
当他们走近时，每扇门外都有一名卫兵肃身立正。Outside each door a guard sprang to attention as they approached.全副武装的士兵们立正站着。Soldiers in full combat gear stood at attention.中士立正敬礼。The sergeant stood to attention and saluted....