There are just four kinds: adenine, thymine, guanine and cytosine.只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.The specific antigen of autoantibody might be human myocardium adenine nucleotide translocator.该抗体的特异性抗原可能为人心肌线粒体腺苷酸转位酶.Adenin...
In the 1960 s the IC market was broadly on bipolar transistors.六十年代集成电路市场主要为双极型晶体管.Perfectly normal bipolar embryoids are formed.形成完全正常的两极胚状体.Because of their simplicity, bipolar lead systems were the first to be used in...
使用样板或模版,或者干脆徒手画。Use a template or stencil or simply do it freehand.我们去参观了一下样板间。We went to look round the show homes.沿着你的样板边画一圈,把图案描在一张硬纸板上。Trace around your template and transfer the design onto a sheet of card....