Either way , mano dura policies have a questionable record .
另一方面，铁拳政策过去的纪录令人质疑。
To observe the antigen changes of freeze-dried irradiated pig dura mater .
观察经冻干辐照处理后的猪硬脑膜抗原性变化。
He promises to crush crime with a mano dura , or iron fist , by extending sentences , hiring 10000 police , expanding video surveillance and lowering the age of criminal responsibility .
