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- BP artificial neural network,genetic algorithm and finite element method(FEM) simulation were applied to optimization of the deflector hole design of profile extrusion die on MATLAB foundation. 基于MATLAB平台,将BP人工神经网络、遗传算法和数值模拟技术应用于铝型材挤压模具的导流孔形状优化设计。
- The striking driller to drill a hole of peg base, the phenomenon of deflection hole often appears. 采用冲击钻进行桩基础钻孔施工,经常会出现入岩倾斜偏位的现象,如果处理不当,就会造成废桩。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- Keywords BP artificial neural network;genetic algorithm;extrusion die;deflector hole;finite volume method; BP人工神经网络;遗传算法;挤压模具;导流孔;有限体积法;
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔,以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- Stick your hand in and see what's in the hole. 把手伸进去,看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- The mice have nibbled a hole in the cheese. 老鼠在奶酪上啃出了一个洞。
- I saw a rabbit dive into its hole. 我看见一只兔子钻进洞。
- She poked her finger into the hole. 她把手指插入孔中。
- Their dog bit a hole in my trousers. 他们的狗把我的裤子咬了个窟窿。
- He knocked a big hole in the wall. 他把墙撞出了一个大洞。
- He burned a hole on the ironing board. 他把熨衣板烧了一个洞。
- The hospital bills made a big hole in her savings. 住院费花去了她一大笔存款。
- A maniac have gouge several hole in the priceless painting. 有个狂徒在那幅价值连城的画上乱凿了几个洞。
- Having lost my money puts me in rather a hole. 丢了钱使我陷于困境。
- To deflect or ward off a thrust or blow. 避开或挡开刺杀或打击