查询国内城市天气预报，使用中央气象台气象数据-weather service

说天气是一家公益气象网站，天气预报数据实时同步国家气象局，为您提供国内各城市天气查询服务。-The weather is a public good meteorological site, real-time weather forecast data synchronization National Weather Service weather inquiry service domestic cities.

trnsys用国内主要城市室外气象参数，共进行模拟计算时调用，可实现HVAC系统全寿命周期性能的模拟预测。(TRNSYS can be used to simulate and predict the whole life cycle performance of HVAC system by using the outdoor meteorological parameters of main cities in China.)