【单选题】“there are a number of other very sound business reasons”
【单选题】_______ in 1985, our company has a sound business standing with an excellent business turnover
【判断题】间接平差中法方程个数等于未知参数个数,即等于必要观测数。
【单选题】病人,女,72岁。以“肺炎”入院。 入院2天后病人出现面色苍白,唇指发绀,四肢殿冷,大汗淋漓,少尿,血压75/55mHg首选护理措施是
【判断题】硬实时嵌入式操作系统若时间不满足,则会导致性能的下降。