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river1974



Joined: 20 May 2003
Posts: 525
Location: Taiwan
PostPosted: Wed May 10, 2006 12:15 am    Post subject: in/at Reply with quote
Dear teachers:

(a) The analog signal is converted into a digital signal, as shown in step (a).
(b) The analog signal is converted into a digital signal, as shown at step (a).

Which one is more natural? Thanks.
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John101



Joined: 07 May 2006
Posts: 12
PostPosted: Wed May 10, 2006 12:28 am    Post subject: Reply with quote
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