The boat conformation of its geometric isomer, dysamide C (2) studied by X-ray diffraction analysis is described.
描述了通过 X 射线衍射分析研究的其几何异构体 dysamide C（2）的船形。
2
A persistent closure of a managed root entity x is defined as the set of managed entities C(x) ={e}, where e is reachable from x directly or indirectly via a persistent relationship.
管理根实体 x 的一个持久化闭包被定义为一个管理实体集 C(x) ={e}，其中 e 可以直接或间接通过一个持久化关系从 x 访问。
3
As mentioned above, the -x switch for extract replaces the -c switch.