基准

The Al-based amorphous alloy forms in the peritectic reaction and peritectoid reaction, and its growth velocity is slow.

分析了铝晶合金的组织与相变特征，铝晶的生成通常为包晶、包析反应，其长大慢。

This dissertation presents the theory and method on the establishment of height datums.And some problems on the geocenter motion are also studied.

本文系统地研究了建立高程的理论与方法、地心运动律及其对高程的影响等有关问题。

Both banks have cumulatively slashed their key interest rates by more than the Federal Reserve and the European Central Bank (see chart).

澳，挪两家央行连续降利率，幅远远超过美联储和欧洲中央银行（参见图表）。

Effects of master alloy of quasicrystal containing magnesium additions and solution treatment on microstructure and mechanical properties of AZ91 magnesium alloy were studied.

研究了镁晶中间合金和固溶处理工艺对AZ91合金显微组织和力学性能的影响。