1000 m long great diameter borehole
income disparity between city and rural
the disparity between urban and rural areas
Long Short Pile Composite Foundation
short driving and short lining
multiple measuring lines multiple lines receiving arrangement
valley lines and ridge lines
Great Debate between British and North American Schools
Great Leap Forward in education
2-D great common divisor
A Complement to the Great Collection of the Oracle
a great calligraphy master