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。
But, part of it is absorbed in the surface, thus, the reflected wave losses some of its energy.
但是一部分的声音会被反射面吸收，因此被反射的声音会失去一部分的能量。
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