汉语翻译

n. 指令, 教导, 命令
【计】 指令
【化】 规程
【经】 指令

词型变化：

形容词:instructional 

词意辨析：

command, order, direction, instruction

这些名词均含“命令”之意。
command: 较正式用词，强调权威性、全局性和强制性。
order: 普通用词，侧重指具体的命令。
direction: 正式用词，指口头或书面的指示或命令。内容不一定详尽，语气较缓和，不太强调强制性。也可指指导性的说明。
instruction: 书面用词，指不容违反、不容推翻的命令。也多指包含具体说明的指示。

英语解释：

名词 instruction:

1. a message describing how something is to be done
   同义词：direction
2. the activities of educating or instructing; activities that impart knowledge or skill
   同义词：education, teaching, pedagogy, didactics, educational activity
3. the profession of a teacher
   同义词：teaching, pedagogy
4. (computer science) a line of code written as part of a computer program
   同义词：command, statement, program line

例句：

1. The catechism is used for religious instruction.
   教义问答法常用于宗教教学。
2. I lost the instruction book and so I had to find out how to use the machine by trial and error.
   我把说明书丢失了，结果只得通过不断摸索才弄懂怎样使用这部机器。
3. He cites as an example the teaching of the laws of motion in physics, which he says are accessible at an early age when a computer is used to assist in the instruction.
   他援引教授物理学方面的一些运动定律为例，说明当计算机用于辅助教学时，学生在幼年就能够理解这些定律。
4. The teacher gave them instructions to arrive early tomorrow morning.
   老师命令他们明天早晨要早到。

详细解释：

in.struc.tion

n.Abbr. instr.（名词）缩写 instr.
The act, practice, or profession of instructing.
授课：讲授的行为，实践或职业

Imparted knowledge.
教诲：传授的知识
An imparted or acquired item of knowledge; a lesson.
传授的或获得的知识；课程
Computer Science A machine code telling a computer to perform a particular operation.
【计算机科学】 指令：指示计算机如何执行特定操作的机器码

Often instructions An authoritative direction to be obeyed; an order:
常作 instructions 指示：须遵守的权威指令；命令：
例句：
had instructions to be home by midnight.
午夜前必须回家的命令

instructions Detailed directions on procedure:
instructions 操作指南：关于步骤的详尽的指导：
例句：
read the instructions for assembly.
阅读生产线的操作指南

【引伸】
instruc.tional
adj.（形容词）