Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
地球外形摄动
avia.
perturbation by Earth's figure
space
perturbation by earth's figure
(航天器轨道运动的)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
