开发操作系统的计算机科学家在引入线程——在进程中运行的轻量进程——时给我们进行了提升。
The computer scientists who developed operating systems gave us a boost when they introduced threads — lightweight processes that run within a process.
运行于同一个进程中的所有组件都是在UI线程中实例化的，对每个组件的系统调用也都是由UI线程分发的。
All components that run in the same process are instantiated in the UI thread, and system calls to each component are dispatched from that thread.
在多处理环境中，线程的处理时间与可用系统资源以及与其他线程的同步有关。
In a multiprocessing environment, the processing time for a thread is related to the availability of system resources and synchronization with other threads.
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