The fitted line in the figure is a 3rd-degree polynomial, but any sort of smoothing would tell you that there is a massive upward trend.
拟和线是一个三次多项式的形式，但是任何形式的平滑都会告诉你有一个大的上升趋势。
Most were unaware that for the first dozen miles or so, the train's engines were plugged into the solar energy source fitted along the line.
大多数人没有发现，在列车行驶的前10几英里，车的发动机是插在安装在铁路线的太阳能源头上。
Cowes' product line includes the Sampson radar being fitted to the Royal Navy's new T-45 destroyers now entering service.
Cowes公司的产品线包括桑普森雷达，此雷达被安装在现已进入服务的皇家海军的新型T - 45驱逐舰上。
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