In this paper, minimum weight design of a hatch cover of box cross section is made by geometric programming. The analytic optimal solution is obtained.
本文采用几何规划方法对船舶的箱形剖面舱口盖进行最小重量设计，求得了解析的最优解。
The honed cross hatch in cylinder bore of engine and the cylindricity of cylinder bore shall affect directly the operating mode and life of engine.
发动机缸孔平台网纹珩磨得是否合理和缸孔圆柱度的优劣直接影响到发动机的工况和寿命。
Support for the 'cross hatch' board solving technique.
支持为越过舱口'董事会解决技术。
The shortages of current specification for plateau honing cross hatch were analyzed, a new specification based on three-dimensional parameters was put forward.
分析了当前发动机气缸套内孔平台珩磨网纹技术要求的不足，提出了基于三维表面的气缸套内孔平台珩磨网纹的技术要求。
These lovely 2inch long earrings swing from a fancy post. Made of resin with a cross hatch pattern in sterling silver.
这对可爱的长耳环由绿松石颜色的树脂制成，上面叠有银色的交叉图案。
These lovely 2inch long earrings swing from a fancy post. Made of resin with a cross hatch pattern in sterling silver.
这对可爱的长耳环由绿松石颜色的树脂制成，上面叠有银色的交叉图案。
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