Above results show that we can study further stick resistance on the coated plowshare iron.
说明在犁铧钢表面涂覆某些涂层可以减粘降阻，有待进一步研究。
The next step leads us to the upper stage of barbarism the period when all civilized peoples have their heroic age : the age of the iron sword but also of the iron plowshare and ax.
下一步把我们引向野蛮时代高级阶段，一切文化民族都在这个时期经历了自己的英雄时代：铁剑时代，但同时也是铁犁和铁斧的时代。
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