What is ephemeris and what is almanac?

English [? fem？ r？ S] beauty [? 'fem？ r？ s]

Ephemeris, almanac, short-lived things

Complex number: ephemeris

Bilingual example

1.GPS ephemeris data interpolation, using Lagrange, Newton's law, which is very good information!

GPS ephemeris interpolation data, using Lagrange method and Newton method respectively, are good data!

2. Precise point positioning can be realized by using precise ephemeris and precise satellite clock error.

The essence of precise point positioning is to realize positioning by using precise ephemeris and precise satellite clock error.

3. Until the Eastern Han Dynasty, historians and ephemeris officers were always unified.

Until the Eastern Han Dynasty, historians and ephemeris officials were always one.

4. Broadcast ephemeris is the basis of satellite navigation and must be accurate and real-time.

The broadcast ephemeris of navigation satellite is the basis of satellite navigation and positioning, which requires high accuracy and strong real-time performance.

5. The coordinates of the satellite are obtained according to the received broadcast ephemeris.

Calculate the coordinates of the satellite according to the received broadcast almanac.

yearbook

English [? :lm？ n？ K] beauty [? lm？ n？ k，？ l-]

Calendar; Calendar; Yellow calendar; yearbook

Plural number: yearbook

Bilingual example

1. He will continue pacing the yard and reading the almanac.

So he took the almanac again and wandered under the porch.

His speech was extracted from Poor Richard's Yearbook.

His speech is a cliche in the old imperial calendar.

3. The nautical almanac provides information about the sun, the moon and the tides.

The nautical almanac contains information about the sun, moon, tides, etc.

Joe wrote for the free yearbook.

Joe wrote for a free yearbook.

5. Then the yearbook lied and said that spring had come.

The calendar card shows that spring has arrived.