zhè xiē / kē xué / chéng jiù / níng jù / le / qián bèi / hé / hòu bèi / gòng tóng / nǔ lì / de / xīn xuè这些科学成就凝聚了前辈和后辈共同努力的心血。These scientific achievements embody the joint efforts of both predecessors and the younger generation.