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- Through the independent variable obtained from the ridge trace curve of ridge regression analysis, a prediction model for open-flow capacity is established. 通过岭回归分析的岭迹曲线确定独立变量的表现形式,建立了该气层的无阻流量的预测模型。
- Denote the center of Curvature at by.When the point moves along the plane curve, the trace curve of the point is called the evolute of the curve, denoted by, and is called the involute of the curve. 当点沿曲线移动时，相应的曲率中心的轨迹曲线称为曲线的渐屈线，而曲线称为曲线的渐伸线。
- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- An electrically produced graph or tracing. 电示图以电制作的图表或映描图
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- He looked backward over his shoulder. 他回头向后看。
- The falling star described a long curve in the sky. 流星在空中画出了一道长长的弧线。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- A record or tracing produced by a plethysmograph. 体积描记图由体积描记器作出的记录或轨迹
- A line segment that joins two points on a curve. 弦将两点用曲线连接起来的曲线段
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- His spine developed a slight curve. 他的脊柱有点弯曲。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- She looked backward over her shoulder. 她回头往後看。
- The coast sweeps (away) northwards in a wide curve. 海岸呈一大弧形向北伸展。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
