So now, this parallel as a circle of radius, well, the radius is less than a because if your vertical is to the North Pole, it will be actually much smaller.

这个平行线是一个有半径的圆，这个半径是小于a的，因为如果这个环越靠近北极点，它的半径实际上会越来越小。

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Expounds the basic principle of cutter radius compensation, and how to apply the cutter radius compensation in nc milling as well as some matters needed attention.

阐述刀具半径补偿的基本原理和在数控铣削加工中刀具半径补偿的应用及使用时应注意的问题。

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The numerical model used to calculate steam impregnation radius and rheological parameter of heated oil bearing formation through the data of build up well testing during shut in is a new technique.

利用焖井恢复试井资料，计算蒸汽浸渍半径及受热油层流变参数的数学模型，是一种较新的技术。

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Residents who have been able to call out reported gas and water were unavailable for a radius well beyond the city of about 1 million.

CNN: Quake survivors look for loved ones in hard-hit area