adj.(火箭、导弹等)多级的

It can be considered a multi stage carburizing. 这一过程可以看成是一个多段渗碳过程。

The construction of ash dam in Weishui Power Plant adopts the multi stage pulverized coal ash subdam technology. 微水电厂贮灰坝的施工采用了多级粉煤灰子坝技术。

The mathematic model of one dimensional multi stage carburation is obtained and it can describe every physical phenomenon in carburation. 该文建立了多段法渗碳的一维数学模型,用此数学模型能够清晰地描述渗碳过程中每一时段的物理行为。

The better technological process now is the step control of carbon potential during carburizing.It can be considered a multi stage carburation. 目前最佳渗碳工艺方法是在整个渗碳过程中对碳势进行台阶式控制,这一过程可以看成是一个多段渗碳过程。

Raw dextran was separated and purified by multi stage ultrafiltration according to the different ranges of molecular weight. 通过采用分级超滤的方法以不同的分子质量范围对右旋糖酐粗品进行分离纯化,并分析右旋糖酐在不同分子质量范围内的分布。

Some problems concerning the design theories and optimization of multi stage decompression and micropore jet composite (MDMJC) mufflers are systematically analyzed. 对多级降压小孔喷注复合型消声器设计理论与优化方法中存在的问题进行了分析，介绍了为改善这些问题所做的一些探索工作。