Descriptive statistics involves tabulating, depicting and describing collections of data.描述统计学涉及对所收集数据的制表 、 制图和描述.Punch card tabulating machine invented by Herman Hollerith.赫尔曼.霍尔瑞斯发明穿孔卡片制表机.As we sit counting pennies, i...
猫确实喜暖，不管是自然的还是人工创造的温暖环境。Cats positively revel in heat, whether natural or man-made.她立即抓住了因他不在场给她创造的机会.She promptly seized the opportunity his absence gave her.霍尔先生并未明确说明开发公司已创造的岗位数量。Mr Hall is non-committal about the num...
汽船向我们嘟嘟鸣笛时，甲板上的水手们饶有趣味地挥着手。Steamers tooted at us as sailors on deck waved in amusement.骑车人危险地在车流中飞速穿行时，汽车喇叭的嘟嘟声响成一片。Car horns toot as cyclists dart precariously through the traffic.她的脸已经不再肉嘟嘟的了。Her face had already lost ...