This paper deals with oscillatory feed cutting which is a reliable chip breaking method and can be applied regardless of the materials processed, cutting parameters and tool geometry used.

本文研究的振荡切削法，是一种不受工件材料、切削用量和刀具几何形状限制的可靠断屑方法。

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Some of the farmers had quit farming and were cutting railroad ties so they could feed their families.

有些农民放弃了耕作，靠砍伐铺铁路的枕木养家糊口。

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Thee three factors of cutting include cutting speed, feed and the depth of cut.

切削用量三要素包括切削速度、进给量和（或叫吃刀量）。

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Having spent years increasing production and acreage, Embrapa is now turning to ways of increasing the intensity of land use and of rotating crops and livestock so as to feed more people without cutting down the forest.

ECONOMIST: Brazilian agriculture

Tourism is creating other problems for the local environment, too, including increased population density, over-dependence on wood as a fuel and construction source and the overgrazing and cutting of mountain slopes to feed livestock.

BBC: Everest's growing problem