Biometrics promises identities that are virtually impossible to steal, impersonate or misplace.这种生物科技测量标准的特徵是近几乎不可能被偷取, 假扮,或误置.Biometrics raise thorny questions about privacy and the potential for abuse.生物测验学会引发一些有关隐私的棘手...
他们刚离开，扛着步枪的士兵们就到了。Scarcely had they left before soldiers arrived armed with rifles.他们持有的步枪、机枪、地雷和催泪弹数量惊人。They possess a formidable arsenal of rifles, machine guns, landmines and teargas.汤姆走在前面，背上挂着一支步枪。Tom was leading, a...
MgO改性提高对二乙苯选择性最为明显.Silylation, P modification and MgO modification can improve p - DEB selectivity greatly.指出高效、节能的分子筛吸附分离法是分离二乙苯的最佳选择.The best choice for separating diethylbenzene is the adsorptive separation by zeolite...