回溯验证back: n. 1.背,背部;背脊;背面,反面;背后,后部,后面, ...forecast: vt. (forecast, forecasted; f ...forecasting: (劳动力供求)预测; 猜测; 预报,预测; 预报方法; 预测法accounting forecasting: 会计预测adaptive forecasting: 适应性预测下载手机词典可随时随地查词查翻译