下列哪种情况可形成质子密度加权像______
A．长TR，短TE B．长TR，长TE C．短TR，短TED．长TR E．短TR
参考答案：A
Visitors can stand on the top of Oriental Pearl Television Tower, from where they can have a better
______ of the city of Shanghai.[ ]
A. sight
B. scenery
C. scene
D. view
A．E=Bav，
B．E=NBav，
C．E=Bav，
D．E=NBav，
