节点可以是一段文本(比如元素的内容)、一个元素、一条处理指令或者注释。
A node can be a piece of text (such as an element's content), an element, or a processing instruction or comment.
比如，一段小程序可以抹去所有的内存；一条简单的指令可以使主机停止运行。
A tiny program can clear all of memory. A single instruction can stop the machine.
过了一段时间，伯顿才承认，伊恩索是他买回来的，而且是只受过严格的训练的狗 - 不过训练指令是威尔士语的。 伯顿擅长这种语言，而泰勒完全不懂。
It was some time later that Burton admitted that he had actually purchased the dog fully trained, but only to commands spoken in Welsh--a language that he spoke fluently, and Taylor spoke not at all.
其中的一个就是二轮机器人，在一段距离以外的使用者可以通过电池供电的耳机发出指令，无线遥控机器人。
One is a two-wheeled robot that can be moved forward by a user standing at a distance, who wears a battery-powered headset that transmits signals wirelessly.
本设备还可用于引起使用者的注意、命令计算机读出一段文字或向电视等外部设备发出指令。
The device can also be used to attract a minder's attention, to get a computer to read out a text or to send commands to external devices such as a TV.
一种设施，允许程序员在编译期间有选择地列出一些单独指令或短程序段。
A facility that permits a programmer to selectively list single instructions or short segments of code during compilation.
链接器的指令不输出这一段。
当处理器执行一段程序时，它先从内存中读出一条指令并对它进行解码。
As the processor executes a program it reads an instruction from memory and decodes it.
如果我们使用原来的方法，为了增加内存的容量，地址段以及指令必须比16位更长。
In order to increase the number of memory locations, the address fields and hence the instructions must be longer than 16 bits if we use the same approach.
静态分析的软件组成，推断出的一段从其指令的代码的行为。
Static analysis of software consists of inferring the behavior of a piece of code from its instructions.
当控制机将一条工艺程序段指令发完之后，伺服系统运动对指令值指定的位置还需多少时间的问题进行了计算。
This article deals with the calculation of the time needed for the servosystem to move to a certain place, after the controlling machine sent out the instructions.
剖析了一段指令码之后，浏览器会执行该段指令码。
对于想重复一段指令，可以使用loop指令或者其他循环指令。
To repeat a block of instructions, use the loop instruction or another looping construct.
在给定的公差下，根据刀位点轨迹的程序段分割误差确定程序段的大小，剔除多余的型值点，保证加工指令的长度不超出CNC系统提供给用户的内存空间。
This method make use of given error to control the section length and to removal superfluous type value points. The method can reduce working code length to a minimum without overgauge.
在给定的公差下，根据刀位点轨迹的程序段分割误差确定程序段的大小，剔除多余的型值点，保证加工指令的长度不超出CNC系统提供给用户的内存空间。
This method make use of given error to control the section length and to removal superfluous type value points. The method can reduce working code length to a minimum without overgauge.
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