A.type Representative form type

B.type Representative text recognition area type

C.type for text Time represents the text recognition area

D.type for table Time represents the form recognition area

A.High scalability and high availability for the relationship analysis platform

B.Requirements for efficient storage and access to massive amounts of data

C.need for efficient relationship discovery of massive data

D.The demand for efficient sharing of massive data

A.Image generation

B.Image Identification

C.Data enhancement

D.Text generation

A.the entire dictionary is included in "{}"

B.the keys of the dictionary are unique and the data types are unified

C.each key and its corresponding value must be separated by ";"

D.and different key-value pairs are separated by ","

A.Expectation reflects the average level of random variable values

B.The variance reflects the degree of deviation between the random variable and its mathematical expectation

C.The greater the expectation the smaller the variance

D.Expectation and variance are both numerical characteristics of random variables