题型:选择题 We expected there no problem with the publication of the book by now, but it is still being printed.A.being B.to beC.to have been D.having been 查看答案
题型:单项选择题 A1型题 如果γ照相机视野为正方形,而且视野将数字图像完整填充。粗略计算像素宽度的方法是()。A.视野的宽度乘以数字图像矩阵的行数B.视野的宽度除以数字图像矩阵的行数C.视野的宽度除以图像模拟放大倍数D.视野的宽度除以图像模拟放大倍数的平方E.视野的宽度减去数字图像矩阵的行数 查看答案