When face milling is performed, the table can be moved longitudinally to feed the workpiece under or below the cutter.

铣削端面时，为了将工件送到刀具底下或下方，工作台可以纵向移动。

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A keel also provides weight low under the water to lower the boat's center of gravity below the waterline, which is needed so that the boat bobs back upright if knocked over by wind or waves.

龙骨同时也增加了船只的底部重量，从而将船只重心降到吃水线之下，而这对于船只在被风浪打翻时能够得以及时回正是十分必要的。

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An LDL or "bad" cholesterol level below 130 is good for healthy people, but someone with heart disease or diabetes should aim for under 100.

低密度脂胆固醇或者坏胆固醇水平低于130，这对身体健康的人来说是没有问题的，但患有心脏病或糖尿病的病人应将这个数值控制在100以下。

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About 20% of these children had temperatures under 100.4, or below the cutoff for fever, the surveys showed.

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Use it on a shelf below the TV, or under most TVs from 22" to 32" in size.

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Some say they're likely to reduce their workers' hours or even lay off staff in order to remain below the thresholds established under the act.

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