题型:问答题 论述题 The government must be very _____ about setting policies and make no decision until they are quite sure it is the right one.A.particularB.concernedC.cautiousD.certain 查看答案
题型:问答题 论述题 关于CT值的叙述,正确的是A.CT值是重建图像中的一个像素值B.CT值是一个无量纲的自然数C.CT值是以水的吸收作为参考值D.CT值的测量单位是HUE.CT值不受入射光子能量大小的影响 查看答案