To indicate the feasibility of acetic ester carboxylation process in China based on making process comparison.通过对各种生产工艺的对比,提出了醋酸甲酯羰基化工艺在我国的可行性.The accepted commercial process is based on 2, 4 - difuloroaniline, through c...
I have tried to present historicism as a well - considered and close - knit philosophy.我试图把历史决定论描述为一种考虑周到而结构严谨的哲学.To ensure the credibility, author also adopts historicism and factorization.为保证真实性, 笔者还采用了历史研究法和因素分析法等.As ...
The government can't rest on its laurels and must press ahead with major policy changes.政府不能故步自封，必须继续大刀阔斧地推行政策改革。Every time the political complexion of the government changed, so did the defence policy...每当政府的政治性质发生...
The impresario will present an expanded series of concerts next season.下个季节将举办一次大型的系列音乐会.The impresario had buttoned his astrakhan coat.乐团经理扣好了羔皮外套....
The headlamps penetrated the fog.车的前灯的光射进雾中.Optimum visibility: Xenon headlamps, BMW Night Vision and camera systems.优化能见度: 氙气大灯, 宝马夜视系统和摄像系统等.Other options include xenon headlamps, a removable hardtop and GPS navigation...