astronomical是什么意思

双语用例

• Another method of determining time relied upon astronomical observation.

• One day, he noticed the persistent fall of a fine dust, and observed how it scratched some of the astronomical instruments.

• Several treatises relate to technical applications of astronomy, others to methods of astronomical calculation, others again to procedures for making astronomical observations, and so on.

• Many of the examples of comets he cites from astronomical sources would have been scarcely visible.

• Astronomical sources of circularly polarized light and the origin of homochirality.

• During each wintering, tidal measurements would be made for many months, with comprehensive meteorological and astronomical observations.

• The study of cosmic dust with in-situ experiments from spacecraft provides data that are complementary to information gained by astronomical observation.

• The desire of people for space was held as a check on the more astronomical numbers, although the idea was not systematically explored.