Today, programmers can access a whole continuum of open source GIS applications, largely developed on UNIX and Linux systems.
目前，编程人员能够访问整个开源 GIS 应用程序在很大程度上依赖于 UNIX 和 Linux 系统。
If the company has a continuum trade data in the open market, we can estimate the market value of the company and get the credit situation by the volatility of them.
如果企业存在一个连续交易的数据，我们就可以通过市场信息对企业的价值进行估计，通过企业的价值变化反映信用状况的变化。
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