In a similar manner , all species upon earth are ascending through trial and error 以类似方式,地球上的所有物种也正在透过试错法而提升。
But i arrived at the chosen numbers of " spam " and " good " trigrams only by trial and error 但我只是用试错法( trial and error )才达到了“垃圾邮件”和“合法”三元模型所选定的数目。
The most important criteria that used to check the calibrated model are root mean square error ( rms ) , the mean absolute error normalized rms error , and mass balance 模型参数使用试错法识别,识别过程中最重要的指标是均方差、平均绝对误差、标准均方差和水均衡。
Those who devised methods for splitting the massive blocks that were needed to build stonehenge in england or the unique pyramids of egypt discovered the principle of the wedge by trial and error rather than by mathematical calculations 那些发明了劈开巨大的用于英格兰的石头城和独一无二的埃及金字塔的石块的方法的人是利用了试错法而不是用数学。
Some preceding rain factors were list , then stepwise regression algorithm was employed to select the obvious factors from the list as the input of the bp networks . and the trial - and - error method is employed to define the number of the hidden layer nodes 论文列出若干个前期降雨量因子,利用逐步回归算法从中挑选出影响因素大的作为网络的输入,通过“试错法”确定隐节点数。