Plus, Dodd-Frank legislation requires suppliers to document where their metals come from, adding as much as 2% to the final cost, says Kay Nimmo of the tin& tantalum supply chain initiative. 此外,据调研公司Tin&TantalumSupplyChainInitiative的凯•尼莫称,美国的多德-弗兰克法案要求供应商记录金属的产地,将导致其最终成本上升多达2%。
Crater-triggered rolling might have happened to the moon as well. "the moon probably underwent multiple reorientation episodes when it was being battered by impacts early in its history," nimmo said. 环形坑导致的旋转可能同样发生在我们的月亮上。“在月亮的早期历史上,多次被碰撞后,可能经历了多次重新定位时期,”尼姆说。