... 实际速率；实际速度；终结速率；终结速度 speed made good 速率标；速度标 speed mark 前进速[率]；前进速度 speed of advance ...
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这是他制作的和梭标投射器（利用杠杆作用加快长矛速度、增加投射距离的石器时代的一种投射装置）一起使用的长矛。
, holds a bundle of spears that he made for use with an atlatl, a Stone Age throwing device that uses leverage to sharply increase the speed and distance a spear can travel.
标普向意大利发出的信号很明确：增长速度是关乎经济生死存亡的关键。
S&P has sent a clear message to Italy that growth is key to its economic survival.
从1982年7月到2000年8月，标普500股指以平均每年12%的速度增长。
The stock market went through the roof. From July 1982 through August 2000, the S&P 500 stock price index grew at an average annual real rate of over 12%.
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