backing stage
英 [ˈbækɪŋ steɪdʒ]
美 [ˈbækɪŋ steɪdʒ]
前级
双语例句
- It is found that there are apparently inversion structure and a 360 degree backing of wind direction in low level warm column at the mature stage of tornado.
龙卷风暴在成熟阶段其环境气团的低空暖气柱逆温结构十分明显，垂直测风突然逆转了360°。 - The background analysis of financial support. This part explained the meaning of some keywords firstly, introduced the development of our country agriculture mechanization, financial backing policy in different stage and its significance.
我国农业机械化金融支持的背景分析对农业机械化等概念进行界定，并分析我国农业机械化发展水平、不同发展时期金融支持政策及其重要意义。 - The two-stage topology is adopted in asymmetric sinusoidal inverter, the backing stage is a high voltage DC power; the latter is an asymmetric sinusoidal inverter.
该电源采用两级拓扑结构，前级为直流调节部分，后级为不对称正弦波逆变部分。