不过当密度、度和曲率到达某个弦论所容许的最大值时，这些量会反弹而开始变小。
But when the density, temperature and curvature reached the maximum values allowed by string theory, these quantities bounced and started decreasing.
将弦臂控制和角度测量结合在一起，以测得的角度值作为反馈，和步进电机组成闭环位移控制系统。
In combining cantilever control with angular measurement and using the measured angular values as feedback, a closed-loop displacement control system is formed together with a step motor.
本文从误差的传递着手，严密推证了弓高及弦长测量的标准差取不同值时最佳测量点的位置。
Based on the error theory, we strictly deduce where is the optimum measuring point and when the standard error of arch-height and that of chord - length are both defined in this paper.
应用推荐