The methods described in this chapter and utilized in the sample problem calculation can't be expected to yield perfect predictions of ground level pollutant concentrations . 用本章所介绍并用在实例计算中的方法，不能期待得到地面污染物浓度的精确预测值。
For design calculations, it is usually adequate to use the theoretical value for the approximate mixture ratio, corrected by a typical combustion efficiency factor . 对于设计计算，采用相应混合比的理论值，并用典型的燃烧效率系数来修正，通常这样做是恰当的。
When we had taken leave, and left her at the door, by turns looking, and listening in terror for herself, and saying in her old soothing manner, "jenny! jenny! " 当我们离开，在门口和她分手的时候，她一面望着我们，一面独自一个人提心吊胆地倾听，并用那种安慰的声调说：“珍妮，珍妮！”
And replace the related code with the following ，并用下列代码替换相关的代码：
The bear came up and sniffed all around her 这只熊就上前，并用鼻子嗅它的全身。
Class , initialized to the provided values 类的实例，并用所提供的值进行初始化。
Completes , and is used to gauge progress 完成时显示一条消息，并用于测量进度。
Undress and wet his body with warm water 脱去婴儿或儿童身上衣物，并用温水抹身。
Control , and updates the child controls in the 控件检索当前值，并用这些值更新
Flush toilet after use and wash hands properly 如后要冲水，并用正确的方法洗手
