df-4 添加释义
网络释义英英释义
df 4 series 东风系列
柔软剂DF-4 Softener
df 4 locomotive df机车
df 4 b locomotive dfb型机车
df 4 c locomotive 东风c型机车
df 4 type diesel locomotive df型机车
df 4 d passenger locomotive 东风d型客运机车
DF-4
- abstract: The Dong Feng 4 () or DF-4 (also known as the CSS-3) is a two-stage Chinese Intercontinental ballistic missile东风4型洲际导弹 (Dongfeng VI intercontinental ballistic missile) with liquid fuel (Nitric acid/UDMH). It was thought to be deployed in limited numbers in underground silos beginning in the 1970s and early 1980s.
以上来源于: WordNet
双语例句
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It is simple in use and its computation amount is about no more than that of a 4 point FIR DF.
该方法计算简单，计算量仅相当于4点fir数字滤波器的计算量。
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The information of the modification of the electric system and the brake equipment of DF 4 locomotive, and their operation, were provided.
文中介绍了机车电气系统和制动系统的改造以及操作应用情况。
应用推荐