In the first part, we proof that tensor product of projective semimodules is still projective; In second part, we construct the equivalence condition of projective semimodule and Horn exact sequence.是什么意思_In the first part, we proof that tensor product of projective semimodules is still projective; In second part, we construct the equivalence condition of projective semimodule and Horn exact sequence.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句