英语语法分析

The delay in concluding the DDA negotiations is therefore a source of continuing concern.

在达成多哈回合谈判结论方面的拖延，正是外界持续担忧的根源。

This paper analyzes extended DDA circle interpolation method. Judge of termical point formula is given.

本文分析了扩展的DDA园弧插补方法，给出了终判公式。

Dynamic distributed arithmetic (DDA) is put forword based on the theory of signed distributed arithmetic.

基于有符号数分布式算法原理，提出了动态分布式算法。