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If you guys want to meet me, you can drop me a mail or a note.
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發表於 2010-6-19 19:26
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First law: Every body remains in a state of rest or uniform motion unless it is acted upon by an external unbalanced force.
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If you guys want to meet me, you can drop me a mail or a note.
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First law: Every body remains in a state of rest or uniform motion unless it is acted upon by an external unbalanced force.
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