They also carry out research work aimed at extending man's knowledge of these subjects.
他们还开展旨在扩充人类对这些学科知识的研究工作。
2
But most experts agree that some research activity is essential to keep the staff and their students in touch with the latest developments in their subjects.
但是，大多数专家认为，为了让教职工和他们的学生了解他们学科的最新发展，这些研究活动是至关重要的。
3
In comparison with the previous study, the new study expanded researchsubjects.