1.  element
2.  unit
3.  cell

• 1. 单元: Unit | PDU | CCU | PMU
• 2. 单元测试: Unit testing | Junit | unit system acceptance testing | PHPUnit
• 3. 算术逻辑单元: arithmetic logic unit | ALU | Arithmetic and Logic Unit | ALU math-logic unit

更多释义

• 1.存储单元里的数据应该左对齐。
  The data in the cells should be left-justified.
  dict.yoduao.com
• 2.农业过去以一个家庭单元为基础。
  Agriculture was based in the past on the family as a unit.
  dict.yoduao.com
• 3.现在完成时在第8单元讲解。
  The present perfect is covered in Unit 8.
  dict.yoduao.com

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