常見例句雙語例句This paper dissertates value finiteness and put forward a few principle in digital library developing personalized reference services.本文論述了數(shù)字圖書館個性化參考服務(wù)價值的有限性，提出了開展個性化參考服務(wù)應(yīng)遵循的原則。 返回 finiteness principle