求翻译：作为课题负责人和主研先后承担国家自然科学基金等多项国家级和省部级课题，对我国著名的“四大怀药”地黄有较深入的研究和有较大的影响是什么意思？

As a Project Leader and the main study has undertaken the National Natural Science Foundation and many other national and provincial-level topics, well-known "four pregnant drug to yellow more in-depth study and had a greater influence

As a project manager and primary research has assumed National Natural Science Foundation, and other state-level and provincial-level topic, of my famous "4 with" and have a more in-depth research and have a stronger impact

Grind as the topic person in charge and the host undertake the national natural sciences fund successively and so on many state-levels and the province departmental level topic, famous “four big bosom medicines” the glutinous rehmannia has the thorough research to our country and has the tremendous

As the project leader and primary Institute has undertaken the National Natural Science Fund and many national and provincial issues, to our famous "four Huai medicines" area has a more in-depth studies and have a greater impact

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