• 1. hard contrast: 高反差
• 2. Edge-enhanced hard X-ray phase-contrast imaging: 硬X线同轴轮廓相衬成像
• 3. hard x-ray phase contrast imaging: 硬x射线位相衬度成像

• 1.Their daughter, Rhoda, by contrast, is a hard-working vet who cares for animals better than many of the characters care for their friends and families.
  相反的，他们的女儿罗达是一个勤勉的兽医，关心动物更甚于作者笔下大多数的角色关心朋友与家人。
  dict.yoduao.com
• 2.In contrast, it's hard to distinguish young migrants from their urban counterparts.
  与此相反，很难从城市人中区分出年青一代的流动人口。
  dict.yoduao.com
• 3.In contrast, applications that must strictly meet real-world timing requirements are typically called hard RT applications.
  相比之下，那些必须严格地满足实时同步需求的应用程序通常被称为硬rt应用程序。
  dict.yoduao.com

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