- 扩大: expansion; amplify; upstep; ...
- 的: 4次方是 The fourth power of 2 i ...
- 方案: scheme; plan; programme; pro ...
- 扩大的: ampliate; ampliative; amplification; amplified; augmentative; distensible; expanded; expansile; propagative; spread
- 可扩大的: dilatable
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