引用:
原帖由 ccmhkg 於 2009-7-10 11:26 AM 發表
How about the gravity? in general the gravity should be the same but infact the gravity varies according to the land mass (e.g thickness of the earth crust from place to place). Precision mathemat ...
LOL
The error is less than 0.1% due to non-uniform mass distribution unless you shoot at like 8000m+ height mountain =.=
If there is fine-tuning propelling device, it's pretty easy XDD
I do'nt believe you are F5 for sure
Gravity and M.I. are in F6-7 syllabus =.=
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本帖最後由 chefung 於 2009-7-10 11:32 AM 編輯 ]