教师们如何才能改进教学以激发创造性呢？How can faculty improve their teaching so as to encourage creativity?我们1980年引进的系统有了很大改进。The system we introduced in 1980 has been a great improvement.那款相机自从推出以来仅经过两次小的改进。The camera has undergone only t...
Silver - coated carbonyl iron powder was prepared by using electroless plating method.用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.采用...
Is the Pearl River Delta economic circle in the oasis.也是珠江三角洲经济圈中的绿洲.Computer simulation of water movement and heat transfer in groundwater - soil - vegetation - atmosphere continuum at oasis - desert ecotone.绿洲 - 荒漠交错带潜...