A、<p><span style="font-size:14px;font-family:宋体">到期收益率</span></p>
B、<p><span style="font-size:14px;font-family:宋体">利率期限结构</span></p>
C、<p><span style="font-size:14px;font-family:宋体">投资期限</span></p>
D、<p><span style="font-size:14px;font-family:宋体">投资比例</span></p>