Atlas Air ordered four 747-8 models early last year and the final one left Boeing's factory on Tuesday.

亚特拉斯航空去年年初订购了四架747-8飞机，最后一架于周二离开波音公司的工厂。

Researchers have even made progress on simulating the complex interconnections of neurons within the human brain, in order to model and study epileptic seizures.

研究人员甚至在模拟人类大脑内神经元的复杂互连方面取得了进展，以便模拟和研究癫痫发作。