名词优先，优先权; （时间，序上的）先，前; 优先考虑的事; [数]优先次序
名词
1. Road building is a top priority.
筑路是最优先考虑的事。
2. You must give this matter priority.
你必须优先处理此事。
3. The highest priority of governments has been given to the problem of heavy traffic.
政府已经优先考虑交通拥挤的问题。
4. Safety has high priority in factories.
工厂里安全至关重要。
1. 优先级：进程控制块的内容 进程描述信息: 进程标识符(process ID),唯一,通常是一个整数; 进程名,通常基于可执行文件名(不唯一 用户标识符(user ID进程组关系(process group) 进程控制信息: 当前状态; 优先级(priority 代码执行入口地址;
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2. 优先等级：每个指导原则再细分多个检查点(checkpoint),这些检查点分别属於三种优先等级(priority)之一,表示对於网站无障碍的需求程度. 关於优先等级的说明如下:
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3. priority：pri; 优先级
1. 优先事项；最重要的事；当务之急
If something is a priority, it is the most important thing you have to do or deal with, or must be done or dealt with before everything else you have to do.
e.g. Being a parent is her first priority...
做好母亲是她的头等大事。
e.g. The government's priority is to build more power plants...
政府的首要任务是建造更多的发电站。
2. 优先考虑；给…优先权
If you give priority to something or someone, you treat them as more important than anything or anyone else.
e.g. The school will give priority to science, maths and modern languages...
学校将重点发展理科、数学和现代语言。
e.g. The proposals deserve support as they give priority to the needs of children.
这些提议值得拥护，因为它们优先考虑了儿童的需求。
3. 优先于；比…重要
If something takes priority or has priority over other things, it is regarded as being more important than them and is dealt with first.
e.g. The fight against inflation took priority over measures to combat the deepening recession...
抵制通货膨胀比抑制日益加剧的经济衰退更为重要。
e.g. I disagree with the premise that economic development has priority over the environment.
我不赞成经济发展应优先于环境保护这个前提。