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- Using improved BP neural network, equidistant surface reconstruction of NURBS is proposed. 利用改进的BP神经网络构造三次有理B样条曲面等距面。
- In this paper,a automotive body surface measuring instruments with non-contact equidistant surface measuring method based on laser triangle measurement has been developed. 介绍了一种基于激光三角法的激光等距非接触测量车身曲面的装置。
- They put forward the concept of slant equidistant surface and its conesponding formulas, and introduce its application in the manufacture of standard impellers. 提出了斜等距曲面的概念及相应公式，并介绍它们在制造增压器用精密母轮中的应用。
- He trudge three hour in the snow to get back home. 他在雪中跋涉三个钟点才回到家。
- Directed at special surface machining, the paper offers the introduction of the concept of slant equidistant surface, the analysis of the properties and the establishment of mathematical models using conic tool to grind special surface. 针对异型曲面的加工问题,引入了斜等距曲面的概念,并对其性质进行了分析,建立了锥状刀具磨削异型曲面的数学模型。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Her family lives three li away from her school. 她家住在离学校有三里路的地方。
- We spied three figures in the distance. 我们望见远处有三个人影儿。
- The earthwork was cast up in three hours. 土方工程在三小时内就完成了。
- Calculation of Steady-State Reactances of Large Salient Synchronous Machine with Three Arc Pole Shoe 三段圆弧极靴大型凸极同步电机的稳态电抗计算
- It's three blocks straight ahead. 一直往前走过三个街区就是。
- The investigator will be divided into three groups. 所有的调查员将被分为三个小组。
- Three people can sit in the back of this car. 这车的后座可坐3个人。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- He knocked back three pints of beer in ten minutes. 他在10分钟里喝了3品脱啤酒。
- It's three years to the day since we met. 我们整整三年没见面了。
- I will make you learn driving in three days. 我将使你在三天之内学会开车。
- The car is three years old and still unpaid for. 这汽车用了三年还没付购车款呢。
