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1·Comparing with the existing schemes, this scheme is newer, compacter, and cheaper than ever bef...

这种车载定位系统与目前现有的方案相比，具有新颖、独特、性价比高等优点。

2·Can the Avengers find and protect jolly Mr. Claus bef ore Christmas is ruined forever? Find out in this exciting holiday adventure!

复仇者能找到并保护永远快乐的圣诞老人性能试验矿石先生是毁了？找出在这个激动人心的冒险假期！

3·Therefore, it is no good simply deciding which is more objective, direct and closer to the ultimate goal. Neither should be emphasized bef…

但这两种方法哪种方法更“客观” ，更直接 ，更接近终极目标还不能简单地下断语。

4·The serum from anemic rats treated with naked plasmid expressing human EPO showed obvious neutralizing activity to inhibit the proliferation of BEF-2 cells.

在大鼠模型中，表达人EPO基因裸质粒组的 血清有明显的 中和活性，可抑制BEF-2细胞的增殖。