distance between centres of lines；distance between centers of tracks；midway between tracks

Great Debate between British and North American Schools

a clearance between the missile and launcher

a comparison between China and the west

a connecting link between the preceding and the following

a hedge between keeps friendship green

acceleration distance between nozzles

Acoustic insulation between dwellings

Act Governing Relations between People of the Taiwan Area and Mainland Area

additional radial pressures between two meshing ge

additional radial pressures between two meshing gears

address term between sons-in-law

adhesion between endothelial cells and monocytes

adhesion between new and old concrete

adhesion interface between the sheds and the sheaths

Adhesive strength between post and core

adjustment between erosion and deposition

adjustment between wind field and pressure field

aerodynamic influence between the wing and bomb

Agreement between the Government of Hong Kong and the Government of Japan for the Promotion and Protection of Investment