下面是一个使用单表策略映射超类和子类的示例。

Here is an example of mapping a super class and a sub class using the single table strategy.

youdao

本文获得了一类关于度量加单形的体积和外接超球半径的几何不等式，作为其应用，给出了一些重要的推论。

Some geometric inequalities on metric addition simplex which volume and radius of circumscribed sphere are obtained. As its application, some important corollaries are given.

youdao

使用一种新的循环系统制备了单分散三氧化二铁超顺磁性纳米颗粒。

Monodispersed iron oxide superparamagnetic nanoparticles were prepared using a novel circulating system.

youdao