The continuouscharacter of this model justifies the expressions' cyclical fluctuations' and 'business cycle' although the movements have neither constant duration nor constant length.
该模型的连续性证明的表达式“周期性波动”和“商业周期”，虽然动作既不恒定的持续时间也不恒定的长度。
2
Note: Some code listings may have a backslash character, "\", to indicate the line of code is continuous but has been formatted for readability.
注意：有些代码清单有反斜杠字符“\”，这表示代码行是连续的，但为了可读性，这里对其格式作了调整。
3
Zhao Li: The early form of Dunhuang fresco is of central tower style with a major character surrounded by continuous variations of murals.