A、<p><span style="font-size:14px;font-family:宋体">贝塔系数</span></p>
B、<p><span style="font-size:14px;font-family:宋体">久期</span></p>
C、<p><span style="font-size:14px;font-family:宋体">行业投资集中度</span></p>
D、<p><span style="font-size:14px;font-family:宋体">标准差</span></p>