Marine Microbiological Chemistry: Microalgal bioactive product chemistry and renewable energy from microalgae.海洋微生物化学: 微藻活性产物化学及微藻可再生能源利用.A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。Conventional...
A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。Renewable sources of energy must be used where practical.必须在可行的地方使用可再生能源。The success of wind power represents a litmus test for renewable energy.风能作为动...
只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.There are just four kinds: adenine, thymine, guanine and cytosine.腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.尿嘧啶 -- 核糖核酸中的一种嘧啶,与腺...
火鸡能重达50磅。Turkeys can reach enormous weights of up to 50 pounds.B-19重达80吨,无疑是世界上最大、最先进的军用飞机。Weighing in at eighty tons, the B-19 was easily the largest and most sophisticated warplane in the world.所有的猪在活重达90公斤左右时宰杀.All th...
The Martian atmosphere contains only tiny amounts of water.火星的大气层中只含有极少量的水。The Martian landscape is extremely varied.火星上的景象变化极大.These facts mean that the Martian day and night have about the same lengths as ours.这些事实说明,火...