计算思维是指运用计算机科学的思想和方法来求解问题、设计系统和理解人类行为。操作系统原理中的很多设计思想与计算思维有着异曲同工之妙。本文通过分析计算思维的抽象、启发式推理、并行处理和折中思想在操作系统设计中的体现,阐述如何在操作系统教学中培养学生的计算思维能力。

The application of model making in the teaching process of basic courses in landscape mapping,garden art,landscape history et al was introduced,so as to make up for the deficiency of theoretical knowledge expounded by words and pictures,and also improve the ability of students practical operation and imagine space.

Unreasonable configuration of horizontal fast-assembly boiler is the main reason for expansion leakage of horizontal fast-assembly boiler chimney,so the expansion leakage of horizontal fast-assembly boiler chimney is especially important for safe operation of boiler.The article emphasizes on analyzing the chimney configuration of horizontal fast-assembly boiler and the reason for expansion leakage of chimney and how to treat and prevent it.