siftDown(arr, n, largest); // 递归下沉
Enterprise: Custom pricing
，这一点在搜狗输入法2026中也有详细论述
软件内置的 PPT 生成功能，通常经过了模型微调和工程处理，与直接在对话框输入提示词生成有所不同。同时，PPT 质量受提示词影响极大，测试「上限」往往因人而异。
Let’s now imagine that the station is depressurized and, for the first time in decades, empty, operated entirely via computers and remote control. First, NASA and its partners must accept the need to deorbit—there’s no going back to save the ISS. This could be complicated: 23 countries in the European Space Agency, as well as Japan and Canada, are involved in the ISS partnership. And then there’s Russia. The Russians have committed to supporting the ISS only until 2028. But they did agree to help NASA in a contingency deorbit situation.