The backtracking mechanism is an important facility for programming in logic.回溯机制是逻辑程序设计的重要设施.Fortran is perhaps the most widely used high level programming language.Fortran语言可能是用得最广的高级程序设计语言.This essay introduces generi...
There was intense speculation 18 months ago that the former foreign secretary might be parachuted into the Scottish Parliament.18个月前，人们普遍猜测前外交大臣可能会空降至苏格兰议会。They parachuted to the ground safely.他们安全地跳伞着落。Supplies were par...
The albatross can stay airborne at sea for days at a time.信天翁在海上可以一连在空中待几天.The albatross is the king of gliders.信天翁是滑翔鸟类之王.Our only companion is the wandering albatross, which glides effortlessly and gracefully behind th...
当变形量大于60%时, 组织发生有效球化.When the deformation rate is higher than 60 % , the spheroidization is effective.依据音频共振原理检测了球化率和基体组织参量.It has tested nodularity and matrix - structure on the principle of sonic resonance.球墨铸铁的球化率随超声声...