科普特教会是最古老的基督教会之一。The Coptic Church is among the oldest churches of Christianity.他因为给古老的宗教经书谱曲配乐而备受关注。He has attracted much interest by setting ancient religious texts to music.他拉黄包车，这可能是人类最古老的载客服务形式了。He pulls a rickshaw,...
添加的甲基汞的回收率据报到达90%左右.The recovery of added methylmercury was reported to be approximately 90 %.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.六亚甲基二异氰酸酯 ( HMDI )...
It has wide applications in the domain of multimedia communication, iatrology, police security, telemetry and avigation.它在多媒体通信, 医学, 公安, 遥感勘测和航空航天等领域有着广泛的应用,近来在国内外受到广泛的重视....