较轻的推进器采用液态氢, 较重的采用自燃推进剂.The lighter version used liquid hydrogen, the heavier used hypergolic propellants.这个工厂为弹道导弹生产推进剂。The factory produces propellant for ballistic missiles.挤压 式 发动机对推进剂中溶解的气体特别敏感.Pressure - fed engine...
Economic crises recur periodically.经济危机周期性地发生.Great crises often call forth gifted leaders.危急存亡之际常能产生天才的领袖.People who are undernourished also lack reserves of energy when faced with physical or mental crises.营养不良的人在体力或脑力...
The plant flourishes particularly well in slightly harsher climes.这种植物在气候条件稍差一点的地区长势尤其好。Other mathematicians attacked analytic methods in harsher language.别的数学家用比较粗鲁的语言攻击分析方法.She was sometimes uncandid, to put no harsher...
Take a hundred and twenty values and calculate the mean.取120个值计算平均数。Family values are suddenly the name of the game.家庭价值观突然变得重要起来。Bennett launched a crusade for "moral values" against decadent "liberal relativism."贝内特发起了...