锟斤拷锟斤拷伽锟斤拷锟斤拷“锟斤拷锟斤拷锟斤拷锟絯”锟斤拷锟缴ｏ拷锟斤拷要锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷募锟斤拷俣锟斤拷c锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟給锟絇(gu锟斤拷n)锟斤拷也锟絚锟斤拷锟絯锟斤拷锟絴(zh锟斤拷)锟斤拷锟給锟絇(gu锟斤拷n)锟斤拷

锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟缴侊拷

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锟斤拷锟斤拷2锟斤拷式锟狡岋拷(d锟斤拷o)

锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟劫度的癸拷式锟斤拷锟斤拷锟斤拷锟斤拷牛锟紻锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡岋拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟较空碉拷锟斤拷锟絯锟斤拷锟皆碉拷锟侥烇拷锟斤拷锟斤拷锟斤拷锟絓锟接的咃拷锟斤拷锟絚锟絩锟斤拷锟斤拷锟角囷拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟劫圓锟斤拷锟絓锟接ｏ拷锟斤拷锟絯锟斤拷锟絚锟斤拷锟斤拷锟紹锟斤拷锟侥凤拷锟斤拷锟斤拷锟杰碉拷锟侥猴拷锟斤拷锟斤拷锟斤拷一锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷牡锟斤拷锟斤拷锟斤拷锟�锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絚锟斤拷锟斤拷之锟絞锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟结供锟斤拷锟斤拷F锟斤拷=F锟絝锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷循锟斤拷牛锟紻锟节讹拷锟斤拷锟缴癸拷式锟斤拷F=mg锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟斤拷锟缴癸拷式锟斤拷锟缴碉拷锟斤拷(锟斤拷(d锟斤拷ng)R锟絟(yu锟斤拷n)锟斤拷锟斤拷h锟絩)锟斤拷锟斤拷锟斤拷锟绞斤拷锟斤拷校锟組锟角碉拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷m锟斤拷锟斤拷锟絯锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷R锟角碉拷锟斤拷霃斤拷锟絟锟斤拷锟斤拷锟絯锟斤拷锟絰锟斤拷锟斤拷母叨锟�锟斤拷g锟斤拷锟斤拷锟絯锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟劫圓锟斤拷锟絓锟接產(ch锟斤拷n)锟斤拷锟斤拷锟斤拷锟侥硷拷锟劫讹拷锟斤拷也锟斤拷锟斤拷锟絯锟节达拷處锟斤拷锟斤拷锟斤拷锟斤拷锟劫讹拷锟斤拷G锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟劫侊拷锟斤拷一锟铰碉拷锟斤拷锟较空碉拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絓锟接碉拷锟斤拷r锟斤拷锟紷锟絅锟斤拷r锟斤拷锟斤拷?q锟斤拷)锟斤拷锟斤拷w锟斤拷锟絝锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷該位锟矫環(hu锟斤拷n)锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟劫圓锟斤拷锟絓锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絓锟接★拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟杰碉拷锟侥猴拷锟斤拷锟斤拷锟斤拷然锟介：F锟斤拷=F锟斤拷锟斤拷锟斤拷锟狡岋拷(d锟斤拷o)锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟劫度的癸拷式锟叫匡拷锟皆匡拷锟斤拷锟斤拷锟节碉拷锟斤拷锟较匡拷同一锟竭度的兩傦拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷小锟斤拷锟結(ji锟斤拷)锟斤拷(g锟斤拷u)锟斤拷锟杰讹拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟紷锟矫碉拷锟斤拷锟斤拷锟斤拷锟劫度讹拷锟斤拷锟斤拷全锟斤拷同锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷锟斤拷知锟絉锟絚锟絉锟斤拷

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锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟竭★拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號