In the past thirty years, the work-horse algorithms in the field of digital signal processing and communication have been the gradient descent algorithm and the least square algorithm.
在过去的三十年中，数字信号处理和数字通信领域中采用的主要优化算法是最速下降方法和最小二乘方法。
2
When the work was done, the fox clapped the horse on the shoulder, and said, "Jip!"
活儿干完了之后，狐狸拍了拍马的肩膀说：“起来吧！”
3
He's a quality horse and if you want him for cab (出租马车) work, he's a bargain.