| 释义 |
mean rise interval mean rise interval[′mēn ′rīz ‚in·tər·vəl] (oceanography) The average interval of time between the transit (upper or lower) of the moon and the middle of the period of rise of the tide at a place; it may be either local or Greenwich, depending on the transit to which it is referred, but the local interval is assumed unless otherwise specified. |