The overall control and test technology for spherical radius of curvature, central thickness, surface accuracy anddecentring error of lenses have been discussed.
讨论超高精度要求的球面曲率半径、透镜中心厚度、球面面形与透镜偏心差等各项指标的综合控制技术与检测方法。
When the HECU arrived at Black Mesa they swiftly established control over the surface areas and the Black Mesa Central Command Complex.
当HECU到达黑山基地后，他们迅速控制了表面地区，并建立了中央指挥中心。
The distance from 3-direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound.
研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。
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