1、Some sparks from a passing train set the haystack on fire.
一列過往火車迸發(fā)出的一些火花點(diǎn)著了干草堆。

2、The algorithm "learns" from the train set and makes assumptions about ratings in the test set.
算法從訓(xùn)練集中“學(xué)習(xí)”然后對測試集的評分進(jìn)行預(yù)測。

3、When the bell ring, New Year's train set out on time.
零時(shí)的鐘聲響徹天涯，新年的列車準(zhǔn)時(shí)出發(fā)。

4、Some sparks from a passing train set the haystack on fire
一列過往火車迸發(fā)出的一些火花點(diǎn)著了干草堆。