A:你好,前往安排活动。在事件名称下,您将找到注册选项,删除该标记并继续安排事件。 You are able to down load just the transcript within the World-wide-web portal. Click on Recordings in the remaining menu, Identify the recording and click on the down load icon. You'll get the following solutions: 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... https://industrialcaluanie.com/