He holds honorary doctorates from a number of universities .
他拥有多所大学的荣誉博士学位。
I have a master 's degree and two doctorates .
我有一个硕士学位和两个博士学位。
They still earn nearly 80 percent of engineering doctorates .
他们仍然产生几乎80%的工程学博士生。
They showed greater blood pressure benefits than high school drop-outs but lesser benefits than holders of master 's degrees or doctorates , the study found .
这项研究显示，学位给他们的血压带来的益处比高中肄业的人要多，但比硕士或博士学位获得者要少。
He has received extensive recognition for his work , including awards , fellowships and four honorary doctorates .
