干扰转录过程和阻止RNA合成的药物是() ["柔红霉素","环磷酰胺","阿糖胞苷","紫杉醇","雌激素"]
为开展原创度高、探索性强的科研活动,产生更多高质量的成果,应确保科研人员()。 ["自主决策","统一行动","吃苦耐劳","听从指挥"]
期望值相同的情况下,标准离差越大的方案其风险()。 ["无法直接判断","两者无直接关系","越大","越小"]
脑出血病人出现瞳孔不等大,昏迷加深,常提示() ["脑室出血","小脑出血","合并蛛网膜下腔出血","脑疝形成","血肿形成"]
干扰核酸生物合成的药物是() ["柔红霉素","环磷酰胺","阿糖胞苷","紫杉醇","雌激素"]
什么是数控加工?数控加工有什么特点?