arameter `is': Unknown parameter name `is_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `bf': Unknown parameter name `bf_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `nf': Unknown parameter name `nf_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `rb': Unknown parameter name `rb_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `re': Unknown parameter name `re_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `rc': Unknown parameter name `rc_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `cje': Unknown parameter name `cje_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `cjc': Unknown parameter name `cjc_b' found in expression.
ERROR (SFE-1999): "/home/fang/IC616/ZJZ/Model/sm1816m50v12.scs" 1914: Model `qvn5_2x2': parameter `cjs': Unknown parameter name `cjs_b' found in expression.
这个应该怎么改好呢,急,求助,万分感谢