The mammoths should not be confused with the American mastodon (Mammut americanum), another ancient elephant from North and Central America.
猛犸应该不会与生活在北美洲和中美洲的另一种古象——美洲乳齿象相混淆（Mammutamericanum）。
In this thesis, Based on the comparison of different sowing date of parents in Pennisetum americanum x P. purpureu, to present the best sowing time for parents in Pennisetum americanum x P. purpureu.
本文通过对杂交狼尾草亲本的不同播种期试验对比，提出了杂交狼尾草亲本的最佳播种时间；
In this thesis, Based on the comparison of different sowing date of parents in Pennisetum americanum x P. purpureu, to present the best sowing time for parents in Pennisetum americanum x P. purpureu.
本文通过对杂交狼尾草亲本的不同播种期试验对比，提出了杂交狼尾草亲本的最佳播种时间；
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