英语词汇number of observation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	number of observation
释义	number of observation 简明释义观测次数：指进行观测的次数。网络释义 1 ?观测次数 ... 镜头仟值 number of diaphragm 观测次数 number of observation 旋转数 number of revolution ... 短语 1 large number of observation 大量观察法 2 odd number of observation 零星观察数 3 number of discharge observation 流量施测号数双语例句 1 In order to identify it, it is necessary to increase the number of observation equations. 为了进行识别，必需要增加观测方程的数目。 2 For a variety of reasons, the number of observation stations has been decreasing after 1988. 由于种种原因，1988年以后观测资料正逐渐减少。 3 The number of observation stations is considered on the basis of dendrogram analysis and economy . 运用聚类分析方法结合考虑经济性，选择合理的测点个数；
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