Program design and application of stepping motor driven by parallel printer interface

This article introduces a convenience and feasible system that can take advantage of program to control the I/ O of parallel printer interface to drive the stepping motors and that is applied in the experiment device of detection.

文章介绍了利用软件控制并行打印机接口的I/O来驱动步进电机，并且应用在检测实验装置中这样一个方便可行的系统。

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This system adopts personnel computer, serial communication interface, parallel printer interface, intelligent instrument and various peripheral interface circuits and achieves the PTCR voltage withstanding test on line.

采用PC机、串行通信接口、并行打印接口、智能化仪表及各种外围接口电路，实现了PTCR耐电压性能的在线测试。

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Data communication between ibm pc host and tp 801 single board by means of parallel printer interface

利用并行打印机接口实现IBM&PC主机与TP801单板机之间的数据通信

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In this paper, the converting circuit from the GPIB interface to parallel printer interface based on MCU are introduced.

文中介绍基于单片机控制的GPIB接口与并行打印接口的转换电路；

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The paper describes joining means of signal and design method of communication software when intelligent instrumentation controlled by microcontroller communicates with microcomputer by parallel printer interface.

介绍单片机（如MCS-51及兼容系列）控制的智能仪表经并行打印口与微机通讯时的信号连接方法及通讯软件设计方法。

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This paper researches into the actual machine learning system taking advantage of the idea of evolutionary computation, and realizes the multi goal optimization technique by applying the implicit parallelism mechanism and the parallel rule triggering strategy.

采用进化计算思想研制机器学习实际系统，利用隐含并行机制及并行规则触发策略实现多目标优化技术。

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Shown by the analysis results, the former is used to solve the problem of database system termination, while the latter, on the foundation of remaining the confluence, improves the efficiency of parallel rule process.

分析结果表明，前者在一定程度上解决了数据库系统的终止性问题，后者在保持合流性的基础上提高了规则并行处理效率。

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Parallel Association Rule Mining Algorithm without Candidacy Generation

一种无候选集产生的并行关联规则挖掘算法

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In rule-based active database systems, triggered rules are generally executed in the context of database transactions. Coupling mode, specified in rule definition, determines when a rule transaction will be launched and how these parallel rule transactions are to be serialized.

在基于规则的主动数据库系统中，被触发规则通常以事务模式运行，这些并行事务由规则耦合方式确定其开始处理时刻和可串行化提交次序。

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First, children were involved in four social play types, which included onlooker behavior, parallel play, associative play and cooperative play.

幼儿之「社会性游戏型态」有旁观行为、平行游戏、联合游戏和合作游戏四种。

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Parallel Play Between Literature and Politics: On the Cultural Politics of Marques'Works

文学与政治的平行游戏&试论马尔克斯作品中的文化政治学

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The results indicated that the most frequent play of social participation was parallel play, the second was group and the third was solitary.

结果表明，在儿童的社会参与范畴游戏中，平行游戏最多，其次是集体游戏和单独游戏，性别差异不显著；

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Parallel play: the child mimics other children's play but doesn't actively engage with them. For example they may use the same toy.

类似型玩耍：孩子模仿其他孩子玩耍但并不主动加入他们.例如他们可能共用一个玩具.

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As important elementary resources, bilingual parallel corpora play a crucial role in research of artificial intelligence.

作为一项重要的基础资源，双语平行语料库在人工智能领域的研究起着举足轻重的作用。

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Furthermore, it connects with the basement and the upper pivoted parallelepiped through a white steel spiral shaped staircase and an elevator.

此外，它连接着地下室和上无所不能，通过白钢形的楼梯和电梯，螺旋平行。

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The schemes of interpolation to the boundary values on a з-dimensional simplex and a rectangular parallelepiped for the spatial pattern of population in communities

群落种群格局研究中的三维单纯形和长方体边界插值公式

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The upper level straddles across the lower parallelepiped and the mountain ridge, while being surrounded by a terrace on three of its four sides.

低两端的平行和山脊上一级跨越，在被包围的露台就其四面3。

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The Analysis on The Comparison between Parallelepiped Supervised Classification and Artificial Identification on The Remote Sensing Image

遥感影像平行六面体法则监督分类与目视识别的对比分析

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The sample of the test instrument is designed as a rectangular parallelepiped. To facilitate preparating samples of permeability characteristics in both horizontal and vertical directions, front and rear covers and superstructure is designed to be freely opened and closed.

试验仪器的试样形态为长方体，仪器的前、后盖及上盖可以自如开启及闭合，便于制备研究水平、垂直两个方向渗透特性的试样。

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Temperature field is obtained by Direct Finite Difference Method ( DFOM) with parallelepiped mesh elements and the latent heat release is handled with a combination of equivalent specific heat method and temperature recovery method.

计算方法采用直交剖分的直接差分法；潜热处理采用等价比热法与温度修正法相结合的方法；

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