Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
沃尔克星座
space
Walker constellation
(多颗卫星均匀分布在多个等间距等周期等倾角轨道上的一种卫星星座)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
