The most widely accepted value for the Hubble constant right now is 72 kilometers per second per megaparsec, obtained by the Hubble Space Telescope.
目前哈勃常数最被广泛认可的值是每秒每百万秒差距72千米,这个值是由哈勃空间望远镜测出的。
This timestamp column is maintained by default by the database manager, but a user-provided input value is also accepted.
该时间戳列默认情况下由数据库管理器维护,但是也接受用户提供的输入值。
You may also have to tweak your kernel's maximum shared memory size if the value you choose isn't accepted.
如果您选择的值未被接受,那么必须修改内核的最大共享内存的大小。
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