A、<span style="font-size:16px;font-family:宋体">控制精度提高</span><span style="font-size:16px;font-family:'Times New Roman','serif'"> </span>
B、<span style="font-size:16px;font-family:宋体">控制精度降低</span><span style="font-size:16px;font-family: 'Times New Roman','serif'"> </span>
C、<span style="font-size:16px;font-family:宋体">稳定性变差</span>
D、<span style="font-size:16px;font-family:宋体">稳定性变好</span><span style="font-size:16px;font-family: 'Times New Roman','serif'"> </span>
E、<span style="font-size:16px;font-family:宋体">余差变小</span>