Formal; sanctioned by custom or tradition.

形式上的；习俗的；惯例的。

Based on accepted models.

习惯的；因袭的；传统的。

In art, following fixed rules in design, technique, etc.

(艺术上之)墨守旧法的。

Nonnuclear (weapons; warfare).

非核子的(武器；战争)。