常見(jiàn)例句雙語(yǔ)例句R2 represents a branched or unbranched alkyl group with 5 to 17 carbon atoms;R2表示支化或未支化的具有5-17個(gè)碳原子的烷基；ip.comThe results showed that the properties of additives with branched group and cyclic hydrocarbon were excellent.結(jié)果表明，帶支鏈及環(huán)狀結(jié)構(gòu)的添加劑極壓抗磨性能最好。Introducing the optimal amino group into its branched chain, the result of after treatment has been substantially improved.引入最佳的氨基支鏈能使后整理效果有實(shí)質(zhì)性的改進(jìn)。權(quán)威例句Originally dealing in savings and loans, American Financial Group later branched out into property and casualty insurance and annuities with the acquisition of Great American Insurance Company in 1973.FORBES: Former Forbes 400 Member And Cincinnati Reds Owner Carl Lindner Dies At 92 返回 branched group