对于一个逻辑型的数据，其取值只能是D。

For a logical type of data, its value is only d.

youdao

股票数据是连续的数值型数据，而不是逻辑型的。

However, the data of stock is not Boolean but series.

youdao

股票数据是连续的数值型数据，而不是逻辑型的。

However, the data of stock is not Boolean but series.

youdao