英语语法分析

So we sometimes have to use unefficient ( = slow) implementation for compatibility reasons, because ABAP does not offer another way.

因此我们有时候不得不使用低效率（也就是慢）的实现来达到兼容的目的，因为ABAP不 提供其他方式。

For this method belongs to monocular vision, it avoids the unefficient problems of the correspondence of stereoscopic vision feature point.

由于该方法属于单眼视觉，避开了目前仍未能有效解决的立体视觉特征点对应性的问题。

Based on this, all the DMUs are classified into three types, which are interval DEA efficient, interval DEA partly efficient and interval DEA unefficient.

然后按区间效率值将所有决策单元分为三类，即区间DEA有效、区间DEA部分有效和区间DEA无效。