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　　unfrequent

　　英：【ʌnfriːkwənt】美：【ˌʌnfriːkwənt】

　　英：

　　美：

　　常见释义：

　　adj.

　　不常见的；很少发生的

　　1、unfreeze account ─── 解冻帐户

　　2、unfrequented ─── adj.人迹罕至的；荒僻的

　　1、Characteristic of 060714 rainfall and floodwater is

　　unfrequent

　　in many rainfall and floodwater of the Helan Mountain. ─── 其特性在贺兰山暴雨洪水中是历次上少见的。

　　" George, I let Mary go yesterday, " was not an

　　unfrequent

　　salutation at the dinner table.

　　Phase difference measurement is applicable for the object with

　　unfrequent

　　source signal to measure lesser time difference.