Semiconductors containing such impurities are called p - type semiconductors.含有这类杂质的半导体叫做P型半导体.It is not possible to name any particular conductivity at which metals end and semiconductors begin.不可能说出在哪个特定的导电系数处是金属和半导体的分...
她跪了下来,轻吻迈克尔的脸颊。She knelt and brushed her lips softly across Michael's cheek.她走上前拥抱他并轻抚他凌乱的白发。She walked forward and embraced him and stroked his tousled white hair.她把碘酒轻搽在前额的伤口上。She dabbed iodine on the cuts on her ...
Its software includes two parts: PC control software and workstation control software.其软件系统包括两部分: PC机控制软件和工作站控制软件.Now suppose I login to the workstation and find those tickets.现在假设我登录到那个工作站并且发现了那些票.The authenticator cont...