“Percy Spender”的概念、定义、翻译、参考文献-科学参考

单词	Percy Spender
释义	Percy Spender Encyclopedia 历史学澳大利亚历史释 Percy Spender斯彭达，P. （1897-10-05～1985-05-03）澳大利亚政治家、外交家、法官。
随便看	back-propagation neural network back propagation of errors network back propagation，BP back reaction backreflection back reflective material backrope backsaw backscatter backscatter cross-section back scattered electron backscattered electron backscattered light backscatterer back scattering back-scattering backscattering backscattering analysis backscattering analysis, BSA back scattering-channeling effect back scattering method backscatter peak backscatter X-ray inspection technology backshaft backshift operator

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