Decsy德奇Decn.十二月n.美国数字电子公司decarboxylative halogenation脱羧卤化decreasing failure rate item降低失效率的项目decimation in time algorithm按时间抽取算法decussatio tegmenti dorsalis(拉)被盖背侧交叉declining metered rate system下降测量速率系统declarative macro instruction说明宏指令dectrolytic hydrogen charging电解充氢decreasing gradient algorithm梯度下降法decreasing blood lipid effect调脂作用decreasing-distance repeats减距加速游, 距离递减反复游