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A kind of novel large liquid discharge pump that takes a pair of conjugate wheel as the working component has been put forward.
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摘要提出了一种以一对共轭轮为工作元件的新型大排量液体泵。 |
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A kind of particle swarm optimization method with the characteristic of logical time-sequenced is proposed and applied to procedure parameters optimization of semiconductor assembly product line.
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摘要提出一种具有逻辑时序特征的微粒群优化算法，并将其应用于半导体封装生产线的工序参数优化中。 |
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A kind of plastic stuff is used to make the plates.
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这些盘子是用一种塑料制造的. |
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A kind of poem, that deals in an idealized way with shepherds and rustic life.
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田园诗：一种用理想的手法来体现牧羊人的乡村生活的诗歌。 |
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A kind of polishing wheel installed in the equipments imported from Germany or Czechoslovakia and in the polishing machine for crystal glass decoration, which is made from high flexible macromolecule, aluminum oxide and cerium oxide.
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信息描述：一种安装在德国、捷克进口设备以及国内自主研发的水晶玻璃饰品研磨机上的抛光盘（轮），它是由高弹性和高强度的高分子材料与很锋利的抛光性能极佳的氧化铝、氧化铈等软质磨料进行混合反应而制作。 |
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A kind of potassium fertilizer based lignin was made from modified lignin and potassium chloride, leaching experiment and pot experiment were conducted to test the effect of modified lignin on slow-releasing potassium fertilizer and the Bio-utilization.
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摘要利用木质素改性産物作爲肥料添加剂，与氯化钾复混制成木质素钾肥，通过土柱淋溶与盆栽试验，验证木质素对钾肥的缓释作用与作物对钾肥利用情况。 |
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A kind of probability sample in which a set interval is applied to a list often population to identity elements included in the sample (e.g., picking every 10th name).
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一种概率抽样.以一定的间隔来从人口名单中抽取所需的样本(如:每隔10个人抽取一次). |
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A kind of quantitive weighing method for marine product was introduced. The working principle and control principle was introduced was introduced and the software designing flow was analyzed.
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摘要介绍了一种海产品定量称量方法，阐述了该方法的工作原理及控制原理，并简单分析了软件设计流程。 |
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A kind of sample in which every member of the population does not have a known probability of selection into the sample.
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一种抽样方法.即人口中的每个个体被选为样本的概率不同.见方便抽样,有目的抽样,和定额抽样. |
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A kind of self-compacting concrete that is fit for textile reinforced concrete(TRC, for short) was studied in this paper.
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摘要配置了一种适用于纤维编织网增强混凝土结构的自密实混凝土，对其进行了自密实能力和力学性能的试验。 |
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A kind of smart water level detection system is designed by adopting the design plan of smart water level sensor and transmitter composed ADμC812 MCU.
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摘要采用由单片机ADμC812组成的智能水位传感器与变送器设计方案，设计了智能水位检测系统。 |
