31.   DRAMs are semiconductor memory chips that are used in a wide range of modern appliances including computers.

32.   DRAMs are semiconducors that are widely used in a range of modern appliances, including computers.

33.   DRAMs are semiconductor memory chips which are used in a wide range of modern appliances including computers.

34.   DRAMs are semiconductors that are widely used in a range of modern appliances, including computers.

v. + computer >>共 665
use 19.98%
buy 5.41%
have 4.77%
sell 2.84%
turn 1.77%
make 1.75%
link 1.63%
connect 1.50%
own 1.38%
get 1.30%
include 0.70%
include + n. >>共 1616
one 1.81%
child 1.37%
member 1.09%
woman 0.89%
provision 0.88%
people 0.77%
representative 0.72%
comment 0.70%
information 0.63%
picture 0.54%
computer 0.05%
每页显示:    共 34