“较老的”造句

那家新公司与几家较老的公司联合以保护自己.
The new company linked with several older ones in self - protection.

较老的岩层渐渐风化.
The older strata gradually disintegrate.

相对论并不与较老的力学相矛盾,而是使之推广.
Relativity does not contradict the older mechanics but generalizes it.