Zhè chǎng zhànzhēng shì yì chǎng bùduìchèn de jiàoliàng.
This war is an asymmetric contest.
Tips
usage
Used both literally (geometric or physical asymmetry) and figuratively. The phrase 信息不对称 ('information asymmetry') is a standard term in economics; 不对称战争 ('asymmetric warfare') in military analysis.