(as) compared to/with

http://books.google.com/books?id=CT6M97kkZisC&lpg=PA56&dq=usage%20%22as%20compared%20to%22&pg=PA55#v=onepage&q=usage%20%22as%20compared%20to%22&f=false

page 55
The participial phrases compared to and compared with are often ....

page 56
In the sentences that follow .... , and independent clause is followed by either compared to or compared with plus a noun phrase:

特別是這部份..
Note that in the first sentence, ....

...
as compared to/with