求翻译：1.系统软件由一组控制计算机系统并管理其资源的程序组成，其主要功能包括：启动计算机，存储、加载和执行应用程序，对文件进行排序、检索，将程序语言翻译成机器语言等。　是什么意思？

1. System software controlled by a group of computer systems and procedures to manage its resources, its main features include: start the computer, store, load and execute applications on file, sort, search, translate programming language into machine language.

1.System software consists of a set of control computer system and manage its resources, its main features include: Turn on the computer, the storage, loading, and executing the application, and sort the files, retrieve, the program can be translated into machine language.

1. system softwares and manage its resources by a group of control computer system the procedure to be composed, its main function includes: Starts the computer, the memory, the load and the execution application procedure, carries on sorting, the retrieval to the document, translates the program la

1. system software consists of a set of control system and management programs, its main features include: to start your computer, store, load, and execute applications, sort, retrieve the files, the translation of programming language into machine language.　

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