Scabby lesions were mainly formed on potato surface, which brings economic losses because of reduced marketability of table stock, the value of processing, and seed potato tubers.
该病主要危害马铃薯块茎,可在其表面形成痂状病斑,严重影响薯块的品质,使之市场竞争力降低,从而造成经济损失。
Effects of solid surface radiation heat losses on the flame spread characteristics are studied at different ambient oxygen concentrations and ambient pressures.
着重研究了表面辐射热损失、环境压力对火焰传播特性的影响。
Under high velocity flow conditions, cascade losses are mainly caused by radial drift of the boundary layer along the suction surface and by blade wakes.
在高速流动条件下,叶栅损失主要是吸力面边界层径向串流及其尾迹。
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