叠加和比较二个几何资料不同的起源和准确性经常造成很大数量的小几何图形。

Superimposing and comparing two geometrical data sets of differing origin and accuracy often give rise to a large number of small polygons.

youdao

OpenMath(参见参考资料)是一种较老的格式，起源于计算机代数系统。

OpenMath (see Resources) is an older format with origins in computer algebra systems.

youdao

在我的实验中，我使用了Redland工具箱(请参阅参考资料)，它本身没有起源跟踪能力(尽管它们处于开发阶段)。

In my experiments, I've used the Redland toolkit (see Resources), which doesn't have native provenance tracking capabilities (although they are under development).

youdao