知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 You are able to down load just the transcript from your Website portal. Click on Recordings within the left menu, Identify the recording and click to the download icon. You will get the subsequent possibilities: 当固定激发源能量时，其光电子的能量仅与元素的种类和所电离激发的原子轨道有关。因此，我们可以根据光电子的结合能... https://smokesdelight.com/