| ︽ ︾ | | ︵2021 4 22 ︶ | | | | ︽ ︾ | | | | | | | | | | | | | | | | | | | | | ︽ | ︾ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ︽ | ︾ ︽ | ︾ 2030 | ︔ | | | | | ︔ | ︔ | | | ︽ | ︾ | | | | | | | | | | | | | | | | | | | | | ︽ | ︾ | | | | | | | | 2030 | 2060 | | | | | | | | | | | | | | | | | | ︽ ︾ | ︽ | ︾ | ︽︿ | ﹀ ︾ | | | | | | | | 10 | ︽ ︾ | | | ︽ | ︾ | | ︽ ︾ | | | | | | | | | ︽ | ︾ | | | ︽ ︾ | | | | ︽ | ︾ | | | | | | | | ︵ 4 22 ︶ | |