12.The Distinct Element Method(DEM)is a discontinuum-based numerical method especially applicable to solve the discontinuity problems in jointed rock mass.
19.The paper introduces the design of the double-functional X-ray bone densometer,first-developed in China using microcomputer control technology and numerical control technology.
11.Numerical weakness comes from having to prepare against possible attacks; numerical strength, from compelling our adversary to make these preparations against us.