元数据也得要(元数据是关于测量实施方法,某气象站状况改变过程或被侵蚀过程的数据等等。)
Metadata are also necessary—data about how the measurements were made, how the situation of a given weather station has changed or been encroached on, and so on.
当系统的状况改变时,这些模型传递重要的系统特性,以预测系统质量和对具体属性的影响。
These models communicate key system characteristics to predict system qualities and the effect on specific properties when aspects of the system are changed.
有两件事改变了这种状况。
When one thinks about changing the health of a population diet has to be considered one of the possible places to intervene.
如果想要改变一群人的健康状况,饮食一定会是着手点之一
This was motivated by a spectacular failure of a brokerage, Goodbody & Co., in 1970.
一家证券经纪行的倒闭改变了这一状况,古德巴迪公司,于1970年倒闭
Also, the world's diet is changing to look like that of America.
同样地,世界饮食状况的改变,和美国的情况也很相似
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