The
poster ______ put down their smartphones and have more
face-to-face communication with each other. (call for)
poster ______ put down their smartphones and have more
face-to-face communication with each other. (call for)
举一反三
- 4.The poster put down their smartphones and have more face-to-face communication with each other. (call for)
- In business situations, people often present their business card ______ so that the other person does not have to turn it over to read your information. A: face down B: face on C: face to face D: face up
- Volunteers<br/>say the supply of face masks and gloves is running low so they are<br/>hoping for ______ <br/>to help doctors and have already found volunteers who want to sew<br/>masks for the hospital staffs and 3d print hard face masks.
- A) Most of them have a long history.[br][/br] B) Many of them are specialized libraries. [br][/br] C) They house more books than any other university library.[br][/br] D) They each have a copy of every book published in Britain.
- 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。