Indicates that a field should be treated as containing a fixed number of elements of the specified primitive type 指示字段应被视为包含指定基元类型的固定数目的元素。
Indicates that the data in a field or parameter must be marshaled from a called object back to its caller 指示字段或参数中的数据必须从被调用的对象封送回它的调用方。
Gets a value indicating whether the field can accept a null reference nothing in visual basic values 获取一个值，该值指示字段是否可接受空引用（在visual basic中为nothing ）值。
Indicates that a field can be modified in the program by something such as the operating system , the hardware , or a concurrently executing thread 指示字段可由操作系统、硬件或并发执行线程等在程序中进行修改。
Keyword indicates that a field can be modified in the program by something such as the operating system , the hardware , or a concurrently executing thread 关键字指示字段可由操作系统、硬件或并发执行的线程在程序中进行修改。
