He died, literally , at the chalkboard at age 83.他过世了, 83岁的时候, 在黑板前.Then one morning we were working math problems at the chalkboard.后来有一天早晨,我和玛丽在黑板上写下了数字题目.The map was drawn on chalkboard with ink - markers.那张地图用记号笔画在一块...
Molecular kinetic simulation is one of the important issues of computer aided drug design ( CADD ).分子运动仿真是计算机辅助药物设计 ( CADD ) 的重要研究内容之一.CADD Draftsmen : Experienced cadd draftsman sought for diverse range of architectural...