For single crystal sliding occurs in two directions, and for bicrystal copper the mechanism of plastic defor...
模拟还发现纳米铜晶体有塑性变形自组织能力。
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So the receptionist continues, " After you veer right, you'll be on Monroe Avenue and it's a one-way street." A " one-way street" is a street where cars can only move in one direction, not in two directions like most streets.
所以接待员继续说, “你向右转后,你就会在门罗大道上, 那是一条单行道。 ” “单行道” 是指汽车只能在一个方向行驶,不能在个方向行驶街道像大多数街道一样。