The surface pressure at the centre of the tornado is shown in figure 7.26 . 陆龙卷中心的地面气压如图7.26所示。
2.
Isobars are useful in revealing the surface pressure pattern 等压线能有效地显示地面气压的分布状况。
3.
The surface pressure at the centre of the tornado is shown in figure 7 . 26 陆龙卷中心的地面气压如图7 . 26所示。
4.
A monsoon is a seasonal wind flow due to the difference in surface pressure caused by the differential heating of seas and lands 由于海洋和陆地受热的程度不相同，地面气压出现显著的差别，从而导致一股有季节性的持续气流，称为季候风。
5.
A monsoon is a seasonal wind flow due to the difference in surface pressure caused by the differential heating of seas and lands 由于海洋和陆地受热的程度不相同，地面气压出现显著的差别，从而导致一股有季节性的持续气流，称为季候风。
6.
The ability to recognize and understand pressure features on the surface is important in weather forecasting . pressure features commonly observed on a weather chart are described below : - 认识及理解地面气压的特徵对天气预报非常重要，天气图上的气压特徵通常有下列几个类别
7.
In chapter 2 , the meteorological knowledge , data and the methods of the data processing , related to the study on the atmospheric loads , are simply presented . the model for the perfect gas constant , describes by the relative moisture , is developed . the influences of the variation in the vapor component in the atmosphere on the perfect gas constant are evaluated by using the changing characteristics of the temperature on the surface , its spatial gradient and the barometric pressure 第二章：简要介绍大气负荷研究所需的气象科学知识、资料及其数据处理方法；建立相对湿度表示的大气比气体常数模型，利用地面温度和空间垂直温度梯度、压力变化的规律估算大气水汽组分变化对比气体常数的影响；对中国及邻区的地面气压记录进行了预处理和网格化
