deceln.减速计Decn.十二月n.美国数字电子公司decidua interuteroplacentalis[医] 基蜕膜declarative part of procedure过程说明部分decursus fibrarum cerebralium[医] 大脑纤维降路declutch shaft carrier gasket分离轴座架垫密片decelerating plasticsubstance减速塑性物质decylammonium tetrabrozincate四溴合铜酸癸铵decellularized vascular matrix脱细胞血管基质declination of magnetic needle磁针偏角Declination change in one hour每小时赤纬变化量deceleration vibration marking减速振动标线