一国经济每年都有许多新产品导入，从而每年有许多不同的S形曲线开始。

Every economy introduces many new products each year. Hence, many different S-shape curves start in every year.

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这些功能不仅提供优良的视觉效果图，同时也保证最大的方便，短的学习曲线，当您导入，并建立了库中的内容。

These features not only provide fine visual renderings, but also ensure maximum convenience, and short learning curve when you import and establish the content of the library.

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