China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.There are many amino acids that the body cannot synthesize itself.有许多种氨基酸人体自身不能合成。Etioplas...
Enclid next lays down five postulates and five common notions.接着Enclid就列出五个公设和五个公理.The school building programme postulates an increase in educational investment.修建校舍的计画是在增加教育经费的前提下拟定的.These steps , known to microbiologi...