This paper presents a study of cutting surface roughness for different PCD tools having various tool geometries during machining Aluminum alloy.

文中研究了PCD刀具在不同的刀具几何参数下车削铝合金的加工表面粗糙度。

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A recent World Bank study showed that cutting tax rates and simplifying tax systems can greatly reduce the incidence of tax evasion. Doing so would make tax havens less attractive.

在世界银行最近的一项研究中表明，减税和简化税制可以极大地降低逃税的概率，如此一来避税港便会无从适从。

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Anti-aging researchers also expect a second study, to be released this week, will show that sharply cutting the calorie intake of monkeys extends their lives substantially.

此外，抗衰老研究人员还预计，将于不久后发布的第二项研究会显示，大量减少猴子的卡路里摄取量可以大幅延长它们的寿命。

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