John F. Kennedy was said to read 1,200 words per minute.
据说约翰·f·肯尼迪每分能读1200个单词。
2
John F. Kennedy was said to read 1, 200 words per minute.
据说约翰·f·肯尼迪每分能读1200个单词。
3
So you can see now if the object comes to you, in other words, f if f prime is larger than f, if the frequency is higher, then the wavelength will be smaller.