positive: 1 picometer [pm] = 1E-10 centimeter [cm]<br>Feet/Inches and Meters Converter<br>ftin<br>m<br>Sound<br>More about Length and Distance<br>Celebrity Reflectioncruise ship in the Port of Miami. It's length is 1047 ft or 319 m<br>The Golden Gate Bridge spanning the Golden Gate, the strait that provides an opening between the San Francisco Bay and the Pacific Ocean. Its total length is about 1.7 mi or 2.7 km.<br>Overview<br>Length describes the longest dimension of an object. For three-dimensional objects, it is usually measured horizontally.<br>Distance, on the other hand, refers to the measure of how far the objects are from each other.<br>Measuring Length and Distance<br>Units<br>The basic unit for length and distance in the International System of Units (SI) is a meter. Derivatives of the meter, such as kilometers and centimeters, are also used in the metric system. Units such as inch, foot, and mile are used where the metric system is not accepted, such as in the USA and the UK.<br>Dist
negative: 在对比实验中,检测人员将室外环境温度设定为31摄氏度,室内空调打开后同样设定在25摄氏度,与此同时分别打开两个房间的一扇窗,让室外空气能进到屋子内。8个小时以后,普通变频空调耗电达8.5度,而打开了ECO模式的美的空调制冷王只用去2.3度电,与关窗时相差无几。这样,ECO模式既能省电,又能给夜晚熟睡的人提供舒适的休息环境!