英语语法分析

Tripodal compounds with nitrogen atom at their centers;

以氮原子为中心的三脚架结构化合物；

Tripodal compounds with boron or phosphorus atoms at their centers.

以硼原子及磷原子为中心的三脚架结构化合物。

These compounds have tripodal structure, can produce strong fluorescence and can coordinate selectively with rare earth ions.

此类化合物具有近似三角架形结构，能产生荧光，可以与稀土离子进行选择性配位。