heliosynchronousWiktionary 原文英美构词拆解heliohelio-前缀synchronoussynchronous词干helio-Concerning the sun.词源说明From helio- + synchronous.释义形容词adjective1Describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.2Describing an orbit around the Sun in which the period of revolution is the same as the Sun's period of rotation.同族词派生词