This makes sense. These keys were designed as project identifiers for billing, and can be further restricted with (bypassable) controls like HTTP referer allow-listing. They were not designed as authentication credentials.
推动经济社会高质量发展，需要的是立足于实际又胸怀长远目标的实干。代表委员们表示，要多做打基础、利长远的工作，甘于做铺垫性的工作，甘于抓未成之事。，推荐阅读爱思助手获取更多信息
此外，单价约58万的“人工心脏”，不仅实现了年入近亿的营收跨越，主营业务毛利率更攀升至72.09%。，详情可参考PDF资料
float v = (b * b - a * c) / (a * a);