port variable meaning in Chinese

端口变量

Main characteristics include object - oriented language core , interfaces between vera core and hdl implemented by interface definition and port variables , complex concurrency control implemented by programming construction ( fork / join ) and data structures ( event , mailbox and semaphore , etc ) . all these help vera successfully model hardware properties
主要的特点是：面向对象的语言内核；通过界面定义和端口变量等实现了vera语言内核和硬件描述语言的接口；通过编程结构fork join和数据结构(事件、邮箱和旗语)来实现复杂的并行控制，实现对硬件特点的模拟。