“波波维奇，P.R.”的概念、定义、翻译、参考文献-科学参考

单词	波波维奇，P.R.
释义	波波维奇，P.R. Encyclopedia 工学﹝航天人物﹞释 Pavel Romanovich Popovich波波维奇，P.R. （1930-10-05～2009-09-29）苏联航天员。
随便看	backpitch backplan back plane backplane back pressure heat and power cogeneration back pressure test for gas well back pressure turbine backproject backprojection operator back propagation back-propagation back propagation algorithm back-propagation algorithm back propagation network back propagation neural network back-propagation neural network back propagation of errors network back propagation，BP back reaction backreflection back reflective material backrope backsaw backscatter backscatter cross-section

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