【单选题】His name is David Brown.David is his________name and Brown is his __________name.
【简答题】David Brown and Anne are two patients in the Day Care Program at Mercy Hospitals. David Brown is sy-two years old. He’s friendly and likes to talk. He lives with his wife in the city. But D...
【判断题】所用试样质量大于0.1毫克的分析称为常量分析。
【单选题】草莓采摘机器人的( )安装于机械臂末端附近,通过设置机械臂初始姿态使得相机水平正对草莓栽培槽,以进行果实识别定位。