The paper discusses how to control the EMI in designing twolayer PCB at three points:part placement, routing and copper pour.

从零件放置、布线和补铜箔等三个方面讨论了在双面印制板设计中如何控制电磁干扰。

youdao

He put a gourd bottle on the ground and covered its mouth with a copper coin. He then scooped out a ladle of oil from his big jar, held it high in the air and began to pour it into the gourd.

他把一个葫芦放在地上，在葫芦口上放了一枚铜钱，然后从大油壶里舀起一勺油，从高处往葫芦里倒。

youdao

As the revenues continue to pour in from copper, fruit, and wine exports, and new businesses flourish, construction will continue in Santiago.

FORBES: As Chile's Economy Continues to Grow, New Investment Opportunities are Emerging