用线性化质粒 DNA 电穿孔前环锥虫体，筛选其对磷霉素的抗性。
Procyclic trypanosomes were electroporated with linearised plasmid DNA and selected for resistance to phleomycin.
圆形机身和锥形前部和尾部采用一个尖形前鼻和尾锥和一个腹鳍。
The fuselage is round and tapered front and rear with a pointed nose and tail cone and a belly fin.
型井架主体结构为前开口形轻便井架，整体分为四段，有锥销连接，具有拆除方便、整体稳定性强的特点。
The major structure of K-type Mast is open-face mast, and the body is divided into four sections, which are connected by tapers and convenient to be dismantled with good stability.
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