唐乾封元年（666）唐高宗改谷阳为真源后，真源县城一直设在苦城未再迁徙，后又演变为卫真县城、鹿邑县城。
但可以确信，用水墨专写江南真山的董源开创了被今人称之为“江南水墨山水画派”(北宋米芾呼之为“江南画”)。
But can be convinced to write with ink specifically true mountain south Dong Yuan created by modern people call "Southern Water and ink painting School" (Song Mi call it as "Southern painting").
在野外激电异常上，测定区分的视参数，无需反演求解真参数，可直接对异常源进行评价。
Apparent parameter determined in the field can be used directly to evaluate anomalous source without inversion of true parameter.
提出了一种用任意分布的模拟随机源对一维分段线性映射的参数进行调制来获得真随机比特的方法。
This paper proposes one method of acquiring truly random bits by means of modulating the parameter of one-dimensional piecewise linear maps by arbitrarily distributed analogue random source.
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