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...
That will simplify my task.那可简化我的工作.Soft - fit design of 1000 L tips simplify loading and ejecting.1000微升吸头可简化吸液和排液.More needs to be done to simplify the process of registering to vote.需要进一步简化投票注册程序。Try to simplify your ...
压光机是上光涂布机的配套设备.Calender is glazing coater matching equipment.压光机通常为连续滚压式, 由输送机械、机械传动 、 电器控制等部分组成.Calender is typically a continuous roll, the transportation of the machinery mechanical, electrical control parts.本文介绍了一种新的...