锟斤拷锟斤拷聲锟絚锟斤拷

锟斤拷锟斤拷1.一锟叫發(f锟斤拷)聲锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟�(d锟斤拷ng)锟斤拷聲锟斤拷锟侥傦拷锟斤拷锟斤拷要锟斤拷锟絴(zh锟斤拷)锟斤拷

锟斤拷锟斤拷2.通锟斤拷锟斤拷r锟铰ｏ拷聲锟斤拷锟节癸拷锟絯锟叫傦拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟斤拷锟揭猴拷w锟斤拷锟斤拷锟絯锟斤拷

锟斤拷锟斤拷3.锟斤拷(l锟斤拷)锟斤拷锟斤拷要锟截ｏ拷

锟斤拷锟�锟斤拷锟斤拷锟斤拷{(di锟斤拷o)(聲锟斤拷锟侥高碉拷)

锟斤拷锟�锟斤拷锟巾懚锟�(聲锟斤拷锟侥达拷小)

锟斤拷锟�锟斤拷锟斤拷锟缴�(锟斤拷e锟斤拷同锟侥發(f锟斤拷)聲锟絯)

锟斤拷锟斤拷4.锟斤拷聲锟斤拷锟斤拷锟劫度憋拷電磁诧拷锟斤拷锟劫讹拷锟斤拷锟矫讹拷(聲锟劫和癸拷锟斤拷)

锟斤拷锟斤拷5.锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷袀锟斤拷锟�锟斤拷聲锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷袀锟斤拷锟�锟斤拷

锟斤拷锟斤拷6.锟斤拷锟斤拷電磁诧拷锟斤拷電磁诧拷锟斤拷锟斤拷锟斤拷锟斤拷袀锟斤拷锟�锟斤拷

锟斤拷锟斤拷7.锟斤拷锟斤拷泄锟斤拷伲锟絚 =3×108m/s =3×105km/s(電磁诧拷锟斤拷锟劫讹拷也锟斤拷锟紷锟斤拷(g锟斤拷))锟斤拷

锟斤拷锟斤拷8.锟斤拷锟戒定锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟絝(shu锟斤拷)锟斤拷锟斤拷锟斤拷锟絝(shu锟斤拷)锟斤拷锟斤拷(平锟斤拷锟絉锟斤拷锟斤拷也锟絝(shu锟斤拷)"锟斤拷锟絚锟斤┅"锟斤拷锟斤拷锟�)锟斤拷

锟斤拷锟斤拷9.锟絉锟芥反锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷械锟矫恳伙拷l锟解線锟斤拷锟斤拷锟截癸拷姆锟斤拷涠�锟斤拷锟斤拷

锟斤拷锟斤拷10.锟斤拷姆锟斤拷锟紽(xi锟斤拷n)锟斤拷(锟斤拷锟斤拷锟絉锟斤拷锟斤拷水锟叫碉拷影)锟斤拷

锟斤拷锟斤拷11.平锟斤拷锟絉锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)锟斤拷锟絉锟斤拷(du锟斤拷)锟絈(锟斤拷锟揭岋拷(du锟斤拷)锟絳(di锟斤拷o)锟斤拷锟斤拷锟斤拷一锟斤拷)锟斤拷

锟斤拷锟斤拷12.平锟斤拷锟絉锟斤拷锟斤拷(sh锟斤拷)锟�(y锟斤拷n)锟斤拷锟斤拷锟藉應(y锟斤拷ng)锟絚水平锟斤拷锟芥垂直锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷13.锟斤拷锟絟(yu锟斤拷n)锟絰平锟斤拷锟絉锟斤拷去锟斤拷锟斤拷锟斤拷锟絉锟叫碉拷锟斤拷變小(锟絜(cu锟斤拷)锟斤拷锟斤拷變)锟斤拷

锟斤拷锟斤拷14.锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷(锟斤拷锟斤拷锟斤拷水锟叫诧拷锟街忥拷锟桔★拷水锟阶匡拷锟斤拷锟斤拷(l锟斤拷i)锟饺岋拷(sh锟斤拷)锟紿锟侥淺锟斤拷锟斤拷锟斤拷锟阶橈拷锟斤拷凸透锟絉锟斤拷锟斤拷)锟斤拷

锟斤拷锟斤拷15.锟节癸拷姆锟斤拷锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟斤拷锟叫癸拷路锟斤拷锟角匡拷锟斤拷锟�

锟斤拷锟斤拷16.凸透锟絉锟斤拷(du锟斤拷)锟解線锟叫曪拷(hu锟斤拷)锟斤拷锟斤拷锟矫ｏ拷锟斤拷透锟絉锟斤拷(du锟斤拷)锟解線锟叫發(f锟斤拷)散锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷17.锟杰筹拷锟节癸拷锟斤拷锟较碉拷锟斤拷锟角岋拷(sh锟斤拷)锟斤拷虛锟斤拷锟杰筹拷锟节癸拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷虛锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷18.凸透锟絉锟斤拷锟斤拷試锟�(y锟斤拷n)前要锟絳(di锟斤拷o)锟斤拷锟絊锟斤拷锟絋锟斤拷锟斤拷锟侥★拷透锟絉锟斤拷锟斤拷锟斤拷锟酵癸拷锟斤拷锟斤拷锟斤拷锟斤拷同一锟竭讹拷锟斤拷

锟斤拷锟斤拷19.凸透锟絉一锟斤拷锟斤拷锟斤拷锟角成岋拷(sh锟斤拷)锟斤拷锟教擄拷锟侥分斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角成放达拷锟斤拷涂s小锟斤拷姆纸锟斤拷c(di锟斤拷n)锟斤拷

锟斤拷锟斤拷20.凸透锟絉锟缴岋拷(sh锟斤拷)锟斤拷r(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷Q锟斤拷锟斤拷锟轿伙拷茫锟斤拷锟揭诧拷Q锟斤拷锟斤拷锟轿伙拷锟�锟斤拷

锟斤拷锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷

锟斤拷锟斤拷1.锟斤拷锟絴(zh锟斤拷)锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟給止锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷缘摹锟�

锟斤拷锟斤拷2.锟斤拷锟斤拷(du锟斤拷)锟节咃拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷位锟矫革拷變锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷锟斤拷

锟斤拷锟斤拷3.锟斤拷锟斤拷锟斤拷锟斤拷x取锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟絰锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷4.锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟洁互锟侥ｏ拷施锟斤拷锟斤拷锟絯同锟絩(sh锟斤拷)也锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷

锟斤拷锟斤拷5.锟斤拷锟斤拷锟斤拷锟斤拷效锟斤拷锟叫兩傦拷(g锟斤拷)锟斤拷

锟斤拷锟�锟斤拷锟绞癸拷锟斤拷w锟絣(f锟斤拷)锟斤拷锟斤拷變锟斤拷

锟斤拷锟斤拷锟斤拷使锟斤拷锟絯锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷B(t锟斤拷i)锟絣(f锟斤拷)锟斤拷锟斤拷變锟斤拷

锟斤拷锟斤拷6.锟斤拷锟斤拷锟斤拷要锟截ｏ拷锟斤拷锟侥达拷小锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷

锟斤拷锟斤拷7.锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟絈直锟斤拷锟铰碉拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟絈直锟斤拷锟较碉拷锟斤拷

锟斤拷锟斤拷8.锟斤拷锟斤拷锟斤拷锟斤拷锟节碉拷锟斤拷?q锟斤拷)锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷9.一锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷施锟斤拷锟斤拷锟絯锟斤拷锟角碉拷锟斤拷

锟斤拷锟斤拷10.锟缴傦拷(g锟斤拷)锟斤拷锟侥猴拷锟斤拷锟斤拷锟杰达拷锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟杰碉拷锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷

锟斤拷锟斤拷11.锟斤拷锟斤拷平锟斤拷臈l锟斤拷(锟侥傦拷(g锟斤拷))锟斤拷锟斤拷小锟斤拷取锟斤拷锟斤拷锟斤拷喾�锟斤拷锟斤拷锟斤拷锟斤拷同一锟絣直锟斤拷锟较ｏ拷锟斤拷锟斤拷锟斤拷同一锟斤拷(g锟斤拷)锟斤拷锟絯锟斤拷锟斤拷

锟斤拷锟斤拷12.锟斤拷锟斤拷锟斤拷車锟斤拷锟絔(m锟斤拷i)锟狡勶拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷?y锟斤拷n)锟斤拷锟斤拷锟叫★拷锟斤拷锟斤拷?锟絜(cu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷)锟斤拷

锟斤拷锟斤拷13.影響伙拷锟斤拷(d锟斤拷ng)摩锟斤拷锟斤拷锟斤拷小锟侥兩傦拷(g锟斤拷)锟斤拷锟截ｏ拷

锟斤拷锟�锟斤拷俳锟斤拷|锟斤拷锟絞锟侥夛拷锟斤拷锟斤拷小锟斤拷

锟斤拷锟�锟斤拷诮锟斤拷|锟斤拷拇植诔潭锟�锟斤拷

锟斤拷锟斤拷14.锟絋锟皆現(xi锟斤拷n)锟斤拷(車突然锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟絟(yu锟斤拷n)锟絩(sh锟斤拷)锟斤拷锟杰★拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟絋锟絖锟絕(gu锟斤拷)锟終锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷停锟铰侊拷(l锟斤拷i))锟斤拷

锟斤拷锟斤拷15.锟斤拷锟絯锟絋锟皆的达拷小只锟斤拷锟斤拷锟絯锟斤拷锟絴(zh锟斤拷)锟斤拷锟絈锟斤拷(锟斤拷锟絯也锟叫慣锟斤拷)

锟斤拷锟斤拷16.司锟紺(j锟斤拷)系锟斤拷全锟斤拷锟斤拷锟角烇拷锟剿凤拷止锟絋锟斤拷(锟絜(cu锟斤拷)锟斤拷锟斤拷止锟絋锟皆庯拷锟斤拷(l锟斤拷i)锟斤拷危锟斤拷)锟斤拷

锟斤拷锟斤拷17.锟叫旓拷锟斤拷锟絯锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷B(t锟斤拷i)锟角凤拷锟阶冿拷膬煞N锟斤拷锟斤拷锟斤拷

锟斤拷锟�锟斤拷锟斤拷俣鹊拇锟叫★拷头锟斤拷锟斤拷锟斤拷锟揭伙拷锟�(g锟斤拷)锟斤拷變锟斤拷锟津都革拷變锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷B(t锟斤拷i)锟斤拷變锟斤拷

锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷處锟斤拷锟給止锟斤拷锟斤拷锟街憋拷锟斤拷\(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷B(t锟斤拷i)锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷B(t锟斤拷i)锟斤拷變锟斤拷

锟斤拷锟斤拷18.锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷锟矫時(sh锟斤拷)锟斤拷锟斤拷锟給止也锟斤拷锟杰憋拷锟街勶拷锟斤拷直锟斤拷锟絓(y锟斤拷n)锟斤拷(d锟斤拷ng)锟斤拷

锟斤拷锟斤拷锟紺(j锟斤拷)械锟斤拷锟斤拷

锟斤拷锟斤拷1.锟杰桿锟斤拷锟斤拷平锟斤拷锟斤拷"锟斤拷偏锟斤拷锟絳(di锟斤拷o)锟斤拷锟斤拷偏锟斤拷锟絳(di锟斤拷o)"

锟斤拷锟斤拷2.锟杰桿锟斤拷水平也锟斤拷處锟斤拷平锟斤拷锟紹(t锟斤拷i)

锟斤拷锟斤拷3.锟斤拷(d锟斤拷ng)锟斤拷锟桔达拷锟斤拷锟斤拷锟斤拷锟桔碉拷锟斤拷省锟斤拷锟杰桿(锟斤拷(d锟斤拷ng)锟斤拷輪锟斤拷省锟斤拷锟杰桿)

锟斤拷锟斤拷4.锟斤拷锟斤拷輪锟斤拷锟絚(di锟斤拷n)锟斤拷锟杰革拷變锟斤拷锟侥凤拷锟津，碉拷锟斤拷省锟斤拷

锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷輪锟斤拷锟絚(di锟斤拷n)锟斤拷省锟斤拷锟斤拷锟斤拷锟斤拷锟杰革拷變锟斤拷锟侥凤拷锟斤拷

锟斤拷锟斤拷5.锟叫旓拷锟角凤拷锟斤拷锟斤拷锟侥兩傦拷(g锟斤拷)锟絣锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵�锟絕(gu锟斤拷)锟侥撅拷锟絰

锟斤拷锟斤拷6.锟斤拷锟角憋拷示锟斤拷锟斤拷锟斤拷锟劫碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角憋拷示锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷7."锟斤拷锟绞达拷臋C(j锟斤拷)械锟斤拷锟斤拷一锟斤拷锟斤拷"锟紷锟斤拷話锟斤拷锟斤拷锟絖锟斤拷

锟斤拷锟斤拷8.锟絴(zh锟斤拷)锟斤拷越锟斤拷锟斤拷锟劫讹拷越锟届，锟斤拷锟絯锟侥勶拷(d锟斤拷ng)锟斤拷越锟斤拷

锟斤拷锟斤拷9.锟絴(zh锟斤拷)锟斤拷越锟斤拷锟斤拷锟竭讹拷越锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷越锟斤拷

锟斤拷锟斤拷10.锟节忥拷锟斤拷锟睫度冿拷(n锟斤拷i)锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷變锟斤拷越锟斤拷锟斤拷锟斤拷锟皆勶拷(sh锟斤拷)锟斤拷越锟斤拷

锟斤拷锟斤拷11.锟紺(j锟斤拷)械锟杰碉拷锟节勶拷(d锟斤拷ng)锟杰和勶拷(sh锟斤拷)锟杰的匡拷锟斤拷

锟斤拷锟斤拷12.锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷r(sh锟斤拷)锟紺(j锟斤拷)械锟杰诧拷變(锟絜(cu锟斤拷))