The time series is mainly divided into absolute number time series, relative number time series and ( ). A: Period series B: Time-point series C: Chronological series D: Average time series

如果定义函数计算调和级数之和;series::Int-Float用series n表示[img=242x25]1803c461290438b.png[/img]，那么如何用series 表示[img=191x25]1803c46130ff710.png[/img]？ A: series n-1 B: series (n-1) C: series 1 + series 2 + ... + series (n-1) D: series (1+1/2+..+ 1/n-1)

Listen to the five short conversations and tell whether the statements are true or false. Write T for true and F for false. The F6 series have two airbags.

Please keep the numbered cards in ____; don’t mix them up.[br][/br] A. series B. succession C. sequence D. procedure

下列关于Series说法正确的是（） A: Series是一个类似一维数组的对象 B: Series可以保存任何类型的数据 C: Series由数据和索引构成 D: Series结构的数据位于索引的左侧

”高铁“中国的标准翻译为（ ）。 A: D-Series High-Speed Train B: G-Series High-Speed Train C: T-Series High-Speed Train D: K-Series High-Speed Train

a series of lectures

a series of______

a series _____ studies

使用Series对象的__________ 属性,可以获取该Series对象的索引。