含有消息发送人标识符的属性。类型是字节数组。

Property containing the sender identifier of the message. The type is an array of bytes.

youdao

数组标识符不能初始化多维类型化数组，但可以初始化类型化数组的类型化数组。

An array literal cannot initialize a multidimensional typed array, but an array literal can initialize a typed array of typed arrays.

youdao

数组标识符中的数据必须可转换为类型化数组的数据类型。

The data in the array literal must be convertible to the data type of the typed array.

youdao

首先，将数组标识符转换为类型化数组，后者用于初始化类型化数组。

First, the array literal is converted to a typed array, which is used to initialize the typed array.

youdao

首先，将数组标识符转换为类型化数组，后者用于初始化类型化数组。

First, the array literal is converted to a typed array, which is used to initialize the typed array.

youdao