Defining the periodic task model for weakly hard system, the PV-RM scheduling algorithm is presented on the basis of RM scheduling policy.

在定义弱硬实时系统周期任务模型的基础上，提出基于RM调度策略的弱硬实时调度算法PV - RM。

youdao

GPS module working and receiving message and communication for GPS module and Micro-controller is described, and a design of hard system and soft system about GPS terminal is discussed.

对所研制的GPS模块的作用、接收信息的格式、GPS模块与单片机的通信方法进行了说明，并讨论了GPS智能终端的硬件系统和软件系统的设计方法。

youdao

When I took the job I thought I could change the system, but it's hard.

当我接受这份工作时我以为我能改变这种体制，但太难了。

《柯林斯英汉双解大词典》

President Obama is fighting hard timing is now,". for his top domestic priority, an overhaul of the current health care system that would cost at least $1 trillion, a priority he asserts that can be achieved without adding to the federal budget deficit.

VOA: standard.2009.07.21

I'm the heterogeneous system, soft stuff, hard stuff, liquid stuff.

我是非均匀系统，有软的物质，硬的物质，液体物质等。

麻省理工公开课 - 热力学与动力学课程节选

Parking was hard to get in the beginning because it's kind of a lousy system.

一开始停车位不好找，因为这个系统很差劲。

开车上学 - SpeakingMax英语口语达人

The failure of the Social Democratic Party, which broke away from Labour in the early 1980s, proved how hard the British system is on new parties.

ECONOMIST: The Tories

As spending on police, prosecutors and prisons has steadily climbed in the past decade, increasing the number of people charged and imprisoned, spending on indigent defence has not kept pace, overwhelming an already hard-pressed system.

ECONOMIST: The criminal law

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