D(zhun)GO(sh)F F FڵӋ(j)Ҏ(gu)t
l(f)r(sh)g20-06-24 10:58:24 g[
ИI(y)տļg(sh)ˇӋ(j)(zhn)Ĕ(sh)(j)O(sh)Ƃ^(gu)Пo(w)ƫD(zhun)GO(sh)FFԼFڵӋ(j)㣬ļg(sh)Ϟ龫(zhn)Ǽg(sh)ֵ(j)
Ӌ(j)ϵ(sh)ףף4G(СD2ϡ) (a)
Ӌ(j)Ĺe f = סСR2 (b)
Ӌ(j)ĽǦȣ f =0.5 R2 (С180-sin)
(lin) (b)(c) ʽã2С=С180-sin
ΎγߴfR2 ֵ֮ɲ(du)(yng) ֵgֵɰԇƽ
L(zhng)L(zhng)LңDsin/2 Lȡ360СD LڣСD (1-ȡ360)
eFңLҡL m2FLL m2FڣLڡL m2
ʽ L(yng)ĸGL(zhng)
傀(g)_a(chn)P(gun)ϵʽǴ_Gwߴ\(yn)D(zhun)(sh)lՓ(j)ṤO(sh)Ӌ(j)΄(w)ǾC傀(g)P(gun)ϵ_(sh)ʹʽӳa(chn)_(d)ƽ (O(sh)Ӌ(j)a(chn)ˮƽ) a(chn)бȻijһ(sh)IJ(dng)ͻƣԭ(li)ƽƉٽ(jng)^(gu)Ќ(du)P(gun)(sh){(dio)ʹ_(d)µˮƽϵƽ ((sh)Ha(chn))
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