Recent laboratory impact experiments have found that certain strains of bacteria can survive the accelerations and jerks ( rates of changes of acceleration ) that would be encountered during a typical high - pressure ejection from mars 最近在实验室中进行的撞击实验发现,某些菌株可承受一般从火星高压喷发时所产生的加速度与急冲度(加速度的变化率) 。