structural variation的用法和样例：
例句
- Strictly speaking, the classical definition of thixotropy pertains only to those fluids that exhibit reversible structural changes.
严格说来，对触变性所下定义只限于那些表现可逆性结构变化的流体。 - But he is against concentrating oversight powers in the Federal Reserve, which he sees as having been woefully slow to perceive the structural changes in markets.
然而，他却反对将监管权集中派给美联储，在他看来，后者在察觉市场结构变化方面的行动极其迟缓。
