If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
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罕见病“不罕见”ACH是儿童生长发育障碍的一类罕见疾病，发病率约为1/15,000–1/25,000，全球共计约25万患者。虽然ACH是罕见病，但大家对“侏儒症”并不陌生，ACH则占全部遗传学侏儒症的70%左右。，推荐阅读雷电模拟器官方版本下载获取更多信息
She added: "If we adopted a more rational approach we could have the benefits of growth from AI, focus our attention on exporting the clean tech the rest of the world needs, and protecting nature here and abroad."