银行承兑汇票手续费按票面金额的()计收。银行承兑逾期垫款按每日垫款金额的()计收利息。 ["万分之五、千分之五","千分之五、千分之五","万分之五、万分之五","千分之五、万分之五"]
农耕技术的发明与改进,推动了农业经济的发展。比较右侧两图,其中图8(1)所示的耕作技术始见于() ["战国","秦","西汉","东汉"]
世界上高炉有效容积最大的是() ["5530m3","5580m3","5555m3","6000m3"]
(安全壳)泄漏率 (containment) leakage rate
飞机相对气流的方向(). ["平行于机翼翼弦,与飞行速度反向","平行于飞机纵轴,与飞行速度反向","平行于飞行速度,与飞行速度反向","平行于地平线"]
“三管一灭”指()。