题型:单项选择题 A1/A2型题 关于窗技术,错误的叙述是()A.根据诊断需要调节图像的对比度和亮度的调节技术B.窗技术包括窗宽、窗位的选择C.窗宽指显示图像时所选用的CT值的范围D.窗位指窗宽上、下限CT值的平均数E.如窗位和窗宽均调节至80,显示CT值的范围是80~160 查看答案
题型:选择题 These natural disasters have warned us that everyone should start to protect the _____ immediately.[ ]A. amusement B. developmentC. environment D. government 查看答案