instruction n. 1.教育,教導。 2.教訓,教誨。 3.〔 pl.〕 指令,訓令,指示,細目。 give sb. instructions to do sth. 命令某人做什么。 an instruction book 說明書。 maintenance instructions 維護說明。 operating instructions 業(yè)務[工作]須知,操作規(guī)程。 ask for instruction 請示。 give instruction in 教授。 give instructions to 訓令。 receive in instruction 接受指導。
A Processing Instruction (PI) is an SGML and XML node type, which may occur anywhere in the document, intended to carry instructions to the application.Chapter 9.