查询词典 strata

Iron Cross was a total of 3 - 2 level, and an iron cross, which was awarded the different social strata, and Prussia at the time the concept of social class is also very heavy.

当时的铁十字一共有3级--2级，1级和大铁十字，它们被授予各个不同的社会阶层，而当时的普鲁士又是社会阶级观念很重的。

Recent years, we also carried out the comprehensive geological investigation and research on the Jehol Biota and the related strata in the northern Hebei and western Liaoning.

近十年，我们也在冀北－辽西地区对热河生物群及相关地层进行了综合性研究。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。