// 测试用例验证（全覆盖核心场景）
You can think of BPatterns as a Smalltalk DSL for the rewrite engine.
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The ISS is far bigger than either the Salyuts or Skylab. In an uncontrolled deorbit, pieces of debris “up to car and train size,” say experts on the official ISS space station advisory committee, will rain down from the sky. NASA confirms this would pose “a significant risk to the public worldwide.”
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