Volunteers
say the supply of face masks and gloves is running low so they are
hoping for ______
to help doctors and have already found volunteers who want to sew
masks for the hospital staffs and 3d print hard face masks.
say the supply of face masks and gloves is running low so they are
hoping for ______
to help doctors and have already found volunteers who want to sew
masks for the hospital staffs and 3d print hard face masks.
举一反三
- Facial<br/>makeup originates from masks of sacrifice. The types of facial<br/>painting are the most particular art in Beijing Opera. ______
- I don't like<br/>hearing __________ stories at night. A: coffin B: scary C: masks D: floated
- A simple cleaning kit, for instance, can include rubber gloves, ______ masks and goggles if necessary.
- 3. It advises artists to ________ from smoking or eating while painting, to use face masks and to provide adequate ventilation (通风) by means of an extractor fan.
- 已知代码如下:[br][/br]face = misc.face()[br][/br]blurred_face1 = ndimage.gaussian_filter(face, sigma=1)[br][/br]blurred_face3 = ndimage.gaussian_filter(face, sigma=3)[br][/br]sharp_face = blurred_face3 +6*(blurred_face3-blurred_face1)[br][/br]blurred_face1和blurred_face3都是对face的平滑处理,通过相减,让相似的值变小,再通过乘以6,增加两极差距,实现边缘锐化。