It is very helpful to instinctively understand the morphology of the QSIC such a quadric pencil has.

它们对直观上理解两二次曲面交线的拓扑形态有非常重要的意义。

youdao

It is very helpful to instinctively understand the morphology of the QSIC such a quadric pencil has.

它们对直观上理解两二次曲面交线的拓扑形态有非常重要的意义。

youdao