The geometric constraints, which are called corner structure and parallel line structure, are studied in this paper.

In Shandong power grid and under the specific operation condition, the distortion of the current in the parallel line is the most serious when single-phase grounding fault occurs in the middle of the line.

在山东电网这个特定的电网及特定的运行条件下，在线路中间发生单相接地短路故障时，其平行线路的电流畸变最严重。

In this paper analyses the fundamental method for count the locus parameter and error of approximate parallel line segment on the gear and five link mechanism.

分析了齿轮五杆机构直线段轨迹参数计算和误差分析的基本方法。

The basis methods of the application for outspread mold are parallel line, radiation line, triangle and etc. There are 15 computer programmers of non-circular curves and outspread drawings for computer controlling cutter.

应用平行线法、放射线法、三角形法等展开放样的基本方法对15种常用非圆曲线及展开图形编制出了能够控制数控切割机的计算机程序。

The obstructive index is determined by dividing the FVC of the flow-volume curve by a parallel line which crosses the middle point of a vertical line passing through the peak of the F-V curve.

阻滞系数是将流速-容量曲线（V&V曲线）中的FVC除以通过峰值垂直线中点的一条横切线的长度。

A surface generated by rotating a parallel line around a fixed line.

固定线的一条平行线围绕这条固定线旋转所产生的表面。

Synthesis of Gear-Five Bar Mechanism to Generate Double Path and Parallel Line Path

实现双轨迹和平行直线轨迹的齿轮五杆机构综合

For all the terms of point, straight line, parallel line, real number, equality, function, derivative and so on, we must put forward three different terms of ideal, approximate and omnipotent approximation.

对于点、直线、平行线、实数、相等、导数、函数等基本数学名词，都应当提出近似、全能近似、理想三类不同的术语。

Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.

行波色散是造成故障测距误差大的重要原因：利用行波故障定位时要考虑采用多相行波数据。

According to the demands in the view and background of ship handling simulator, an imaging geometric model of overlapped images is constructed in the paper, then a mosaic and smoothness arithmetic method based on parallel line on the same depth plane is proposed.

本文根据船舶操纵模拟器对视景和背景实景图像拍摄的具体要求，依据三维成像几何理论，建立相邻重叠图像的成像几何模型。

Camera Calibration Based on Two Parallel Line Segments

基于两条平行线段的摄像机标定

The reliability test of parallel line quantitative analysis based on the intradermal challenge scores of three lots of purified adsorbed diphtheria toxoid ( dad) and the standard reference preparation showed that the variations of regression and between doses were significant.

将待检吸白类与参考标准品免疫动物后进行皮内攻毒，记录得分结果进行量反应平行线分析，其可靠性测验结果表明，剂间与回归项变异皆十分显著；

Application of Probit Parallel Line Assay to Statistics of Potency Test of HB Vaccine

概率单位平行线法在乙肝疫苗效力试验数据统计中的应用

Puckery eye socket, I have to chose pessimistic in frond of parallel line;

涩涩的眼眶，面对平行，我选择悲观。

In the meanwhile it is pointed out that the quantity change of the parallel line and zero-sequence impedance must be retested.

同时还指出平行线路条数变化，零序阻抗均需重新测试。

This method sets the angle between main elevation and picture plan as 30 degree and sets the measuring point by means of the parallel line of picture plan, and then an ideal two_point perspective has been drafted in a simpler way.

此方法是以物体的主立面与画面的夹角设定为30°和利用画面平行线的方法定出量点后简捷作出理想的两点透视。

Viewpoint-independent gait recognition with parallel line constraints

平行线约束下的视角无关步态识别算法

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

并行打印机接口驱动步进电机的程序设计及其应用

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。

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。

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