A.競(jìng)爭(zhēng)優(yōu)勢(shì)B.創(chuàng)新優(yōu)勢(shì)C.技術(shù)優(yōu)勢(shì)
A.公益B.盈利C.發(fā)展
A.大于B.等于C.小于