Through the application of thermodynamic principles, modern heat engines have been developed. We are facing the reality that fossil fuel rerves are diminishing and will be insufficient in the fore
包含运算关系函数代码以下是一个包含各种运算关系函数的代码示例:python日堙月塞def equal(x, y):学习淘宝>6624 return x == ydef not_equal(x, y): return x != ydef greater_than(x, y): return x > ydef less