Get to the point marketing and down to earch montria is the leading way to personalize your website or company.

准确的定位并且了解每一位XX个是使你的站点或公司个性化的主要方式，。

The important parameters of earch region arc calculated by two curve fitting methods with a microcomputer The accuracies o?calculations arc discussed.

由二步拟合的方法计算得各区的重要参数，讨论了计算结果的可靠性。