The problem is that, seen at the nanometer level, the tiny features put on the chip resemble tall, thin skyscrapers, separated by narrow chasms.

• 问题在于，在奈米尺度下，晶片上的微小线路图案就像是一座座高耸的摩天大楼，楼与楼之间隔著狭窄的深谷。