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...
他从狮子脚掌上拔下一根刺。He removes a thorn from a lion's paw.婴儿们看上去都是平足，他们走路的时候整个脚掌都着地。All babies look flat-footed and when they walk the whole sole touches the ground.由充当刽子手的大象用巨大的脚掌踩碎.The elephant executioner crushes it bene...
Farmers thresh grain with threshing machines.农民用脱粒机脱粒.Nowadays most farmers use a machine to thresh their wheat.现在多数农民使用机器脱麦粒.In some villages farmers use a machine to thresh wheat.在一些村子里,农民用机器来打麦....
每晚你都会听见炼钢厂的下班哨声。Every night you could hear the whistles of the steel mill.裁判最后吹响了终场的哨声。The referee finally blew the whistle to stop the game.乘务员哨声一响,司机开动机车.At the conductor's whistle the engine - driver starts his l...
It would be wrong to interpret them as atavistic remnants.把它们解释爲老观念的残馀,是错误的....an atavistic fear of snakes.对蛇的原始恐惧It was characteristic of an old, atavistic callousness that went with her delicacy.这正是伴随着她病弱身体的老年返祖现象的一种麻木...