1.It involves close observation, and judicious selection of what will enable one to do better something which he already is trying to do.
这种模仿包含仔细的观察和审慎的选择，所选择的方法使他能把已在试做的事情做得更好。
2.Their chemical and physical properties can be tailored by judicious selection of cation, anion, and substituents.
通过选择合适的阳离子、阴离子和配体，可以调变离子液体的化学、物理性能。