The basics of Programming (variables, data types, references, pointers, scope, error handling, iteration, core algorithms - searching, sorting, etc.)

编程基础（变量，数据类型，引用，指针，作用域，错误处理，迭代，核心算法-搜索，排序等）

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The DK50-UV series provide a simple and reliable means of error checking, sorting, measuring, and positioning materials that blend into a background or are invisible.

DK50-紫外线系列提供了简单可靠的错误检测，整理，测量和定位材料的方法，它们融入背景或是看不见的。

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This algorithm employed full-enclosing prediction based on a new high efficient sorting technique and results in a forecast error set after sorting, which could embed data with a low distortion.

该算法使用一种新的基于高效排序的全邻预测算法，经过排序以后形成预测误差集合，可以在很低失真度的情况下嵌入数据。

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