分析了传统的数控肋骨冷弯机控制方法与机构，阐述了弦线测量控制法的基本原理。
This paper analyses the traditional automatic control method and mechanism of nc cold frame bender. The basic principle of control method for measuring chord length is described.
安装角，飞机的纵轴与机翼弦线所形成的锐角。
ANGLE OF INCIDENCE, The acute angle which the wing chord makes with the longitudinal axis of the aircraft.
据此建立了新的控制检测方法的数学模型，提出了基于弦线测量控制法的新的控制检测方法。
A new detecting means of automatic control based on control method of measuring chord length is proposed. And a mathematical model of the new method is also established.
施工测量中运用坐标法、圆弧弦线支距法以及内控法等多种测量法。
Measuring technique such as coordinate method , arc chord offset method and internal control measurement are applied .
综述轴向运动弦线纵向振动及其控制问题的研究进展。
Investigations on transverse vibration of axially moving strings and its control are reviewed.
采用了基于多边形凸包的方法提取弦线。
Based on polygon convex hull method, the chord line is extracted.
介绍暗挖隧道曲线导向测量方法——弦线支距法和切弦线支距法的原理及应用。
This paper introduces the theory and its application of the curvilinear guided survey methods in concealed excavation of tunnels, such as chord offset method and tangent offset method.
每个球拍上有15根弦线，必须非常紧密地连接在一起，在弦线彻底干燥前，要把球拍放在潮湿的房间里，以防弦线开裂。
Each racket string is made up of 15 individual strands which are spun very tightly together to coalesce them, before being dried out in a humid room to prevent cracking.
迄今为止人们发现的最早的中国乐谱是6世纪的一部古琴弦线乐谱。
The earliest known musical notation from China is a tablature for zither, from the 6th century a. D.
更独特的是，男孩的手似乎轻轻地拉著弦线，彷佛聪明如他的孩子知道自己已经诞生到一个复杂和烦琐的世界上。
Uniquely though, the child seems to gently hold one of the threads in his hands, as if this uncommonly wise child is aware of the complex and burdensome world he has been born into.
综述轴向运动弦线纵向振动及其控制问题的研究进展。
Transverse vibration control of an axially moving string system by Lyapunov method;
综述轴向运动弦线纵向振动及其控制问题的研究进展。
Transverse vibration control of an axially moving string system by Lyapunov method;
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