The duchesse satin gown, which took eight months to design and create, features national and Commonwealth floral emblems in gold and silver thread, encrusted with seed pearls, sequins and crystals.
这件全丝硬缎的礼服花费了八个月的时间来设计并且制作，用金银丝线绣上了英国和英联邦的代表花朵，外面装饰有珍珠、亮片和水晶。
Mathematic models between yield and N fertilizer and plant density for two peanut variety types were set up by using quadratic saturation D-optimization design under single-seed planting.
采用二次饱和D—最优设计建立了精播条件下不同类型花生品种N肥用量和密度与产量的数学模型，探讨肥料与密度的产量效应及优化配置。
The sugar beet seed coating prescriptions were studied according to quadratic regression and rotation design.
采用二次回归旋转组合设计方法，对甜菜种衣剂优化配方进行筛选。
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