The paper teus a direct way to select nonsingular linear transformation by changing two special quadratic forms without square terms to the standard form.

本文给出了化不含平方项的两类特殊二次型为标准形的一种直接选取满秩线性变换法。

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Some forecasters predict megaships carrying 18, 000 TEUs, in pursuit of cost reductions of as much as 30% per container compared with smaller, older vessels.

有人预言航运公司为降低运输成本,装运量达18,000只20英尺箱的巨舰将会出现,相比旧有较小的货轮,这种巨舰能把单箱运输成本降低30%。

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The container loading and unloading capacity of Qianwan Port is 250 TEUs per hour and the guaranteed time to load or unload one vessel is 10 hours.

青岛前湾港集装箱装卸效率已达到船时量250TEU/小时，并对全球航运市场承诺10小时内完船，达到世界领先水平。

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Last year U.S. ports handled 20.8 million TEUs, or units equivalent to one over-the-road trailer, down from 31% from 2007.

FORBES: Recovering Economy? Not If You're Counting Truckloads

Six of the world's 10 busiest ports are located in China, when measured in terms of cargo shipped in standard containers, or TEUs (20-foot equivalent units).

FORBES

Rather, we count the numbers of TEUs moving through the port facilities around the world as the true signal of economic strength or weakness, and those numbers are rising, not falling.

FORBES: The Baltic Dry Index and Goodhart's Law