Which of the following statements is true about the distance that the marble travels on the four types of surfaces?
下列哪项有关玻璃弹珠在上述四种表面移动的说明是正确？
Previous research showed that prions bind readily to these types of surfaces and can initiate infection with remarkable efficiency.
此前研究显示朊蛋白可便捷地与这些表面类型结合并以不同寻常的效率启动感染过程。
Sebastien Ogier: "We've done a lot of running since the middle of 2010 with a large number of test sessions on all types of surfaces."
塞巴斯蒂安·奥吉尔：从2010年年中至今我们已经在各种路面上完成了大量的测试。
Pure titanium material surfaces were treated by chemical, sand blast and polishing methods respectively to make different types of surfaces and were cultured with MC3T3 cells.
为了解纯钛材料表面微型态对骨界面的影响，选择纯钛材料表面经化学处理、喷沙处理和抛光处理后，观察其对培养骨细胞的作用。
Pure titanium material surfaces were treated by chemical, sand blast and polishing methods respectively to make different types of surfaces and were cultured with MC3T3 cells.
为了解纯钛材料表面微型态对骨界面的影响，选择纯钛材料表面经化学处理、喷沙处理和抛光处理后，观察其对培养骨细胞的作用。
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