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By the multiple objective optimization, the diffusion angle of the ventilator volutes with high efficiency, low noise and high total pressure of the ventilators was calculated and selected according to the experimental data.
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摘要根据实验数据,采用多目标最优化的方法,对效率高、噪声小、全压大等性能指标皆好的通风机蜗壳扩压角进行了理论计算选择。 |
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By the net-shape forming technology, metal sheet is used as a blank, the cylindrical cup is produced through blanking, deep drawing, and etc, and then the cup is clamped to a mandrel rotated together with the main spindle, the pulley is finally produced b
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钣制带轮是以金属板料为毛坯,经过落料、拉深等冲压工序制成圆筒状,然后将其装夹在带有顶压座的芯模上,使其随主轴一起旋转,通过若干不同齿形的旋压成形轮分别沿径向施加压力而成形。 |
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By the next morning, your horse has become a unicorn with two humps. With creative people, instructing is not good enough. You need to inspire.
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在设计中,不要满足与你对所有美学和细节的说明。费点时间说明游戏应该传达的感觉,每个部分后面应该表达的目标。以及所有你能描述的,游戏的各方面的精神。 |
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By the next year Mother's Day was also celebrated in Philadelphia.
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到第二年,费城也开始庆祝母亲节。 |
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By the next year, 1908, Mother's Day was also celebrated in Philadelphia.
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到了第二年,即1908年,费城也开始庆祝母亲节。 |
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By the ninth century there was a statue of Kuan Yin in every Buddhist monastery in China.
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到九世纪中国每一个佛教修道院里都有观音的塑像。 |
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By the normal standards of mobile robotics, that would be a culminating demonstration for a research project.
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以行动机器人的正常标准来看,对一个研究计画而言,这种成果可谓登峰造极。 |
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By the numbers, the Academy Awards are roughly 50 percent less relevant than they have been the last five years.
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想把今年的奥斯卡获奖影片与票房“宠儿”挂上钩似乎不是一件容易的事。 |
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By the overhead construction standard business management, builds the remarkable productivity, Throughout persisted the strict careful quality control is a blueprint, unceasingly strengthens the coordinated consummation the customer to serve molds under t
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以架构规范的企业管理,营建卓越的生产能力,始终坚持严格细致的品质管理为蓝图,不断强化协调完善的客户服务来塑造旗下的品牌,精心打造一个地区性的跨国企业。 |
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By the pathologic study from the liver biopsy, it confirmed the diagnosis of bile duct hamartoma.
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但病人拒绝手术治疗,而改在门诊定期追踪。 |
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By the pic,it should be 3.5 to 4 pound,and the barycenter is within 3in in front of hilt,even at the position of armguard.Wonder I'm right?
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从照片中看来,这枝鐧应有3.5至4磅左右,重心在柄前3寸以内,甚至就在护手位置.不知小第猜的对不对? |