By means of the double combination designs, a mathematical model for the natural yield capacity of millet in Heilongjiang Province was established.

Both rely on a combination of flexible rubber with either nanowires or electrodes. And synthetic "skin" would do cyborg double-duty: ultra-sensitive human prosthetics or robot limbs.

Playing second base for much of his career, he teamed with shortstop Pee Wee Reese in an outstanding double-play combination.