AIR ERASABLE PEN AND WATER ERASABLE PEN CAN ERASABLE BY WATER.ALSO CAN BE EASILY AND QUICKLY ERASED.
快速, 干净地消除气消笔, 褪色笔的颜色。

Data exchange between highfrequent erased block and lowfrequent erased block is adopted to even the erasure distribution
该方法通过高低频数据互换, 有效均衡了擦除分布

What I showed you at the beginning, and then erased, basically justifies how to take the derivative of a reciprocal function.
最开始我讲过了, 如何对倒数函数求导。

The example in the previous section demonstrates how a select clause that selects the innermost iteration variable is erased by the translation to method invocations.
前面部分的例子示范了选择最内层迭代变量的。