急性排斥反应
散点密集于一条直线,且呈水平分布,可初步判断两变量为()。 ["正相关关系","负相关关系","无相关关系","不能确定"]
依据保险标的所处状态不同,可分为生长期农作物保险合同和()。 ["播种期的农业保险合同","渔业保险合同","收获期农业保险合同","市场农业保险合同"]
按舒张压水平分级,Ⅲ级高血压是指舒张压() ["≥105mmHg","≥110mmHg","≥115mmHg","≥20mmHg"]
电子式电能表比机械式的电能表() ["精确度低","精度高","灵敏度低"]
穆勒五法