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ژz֧^˨(bio)Ӌ(j)
֧^˨(bio)Ӌ(j)
˫@ȡ֧^˨(bio)ͨڲDа(sh)Hߴʾÿ(g)֧þܛИλ(bio)֧^˨(bio)Ӌ(j)ԭҪ֧ĵ(bio)ķλͨ^(gu)Ӌ(j)ڰ?wn)|ٹ·И(bio)M3鹤̱(li)f(shu)֧^˨(bio)Ӌ(j)̣Ԕ(x)Ӌ(j)^(gu)
1 ֧ĵ(bio)
ȴ_֧ĵλ(dng)пvr(sh)(yng)עʹA(y)O(sh)ÿvµ֧¶ȷc¶ȷͬM3·εĿv^TA(y)ƕr(sh)ǰƽL(zhng)M(jn)A(y)Ƶ(dng)ȥL(zhng)ȕ(hu)ƽϵL(zhng)Ҫ˱M֧^˨λÌ(du)R(dng)̎Ŀv³^(gu)һv(珽28.1mv3.5%;珽36.1mv3.0%;珽50.6mv2.5%)r(sh)(yng)(du)֧λM(jn)Ƅ(dng)
2 ķλǣ
ķλǦĶxԱ?yn)ʼ형r(sh)D(zhun)02PIPI=3.14159266(dng)֧ʽ֧r(sh)ҪӋ(j)ķλǣ(dng)֧黬֧r(sh)ҪӋ(j)
·ǰM(jn)С̖(ho)֧̎(bio)(du)(yng)Ŀ珽(bio);
·ǰM(jn)̖(ho)֧̎(bio)(du)(yng)Ŀ珽(bio)
С̖(ho)ʹ̖(ho)(du)ͬһ(g)w()ԣ珽(bio)߾cwľĽc(din)(bio)
3 ^˨(bio)
Ӌ(j)c(din)cNSĊAD1ʾDОOAcNĊA;OBcNĊA;OCcNؓ(f)ĊA;ODcNؓ(f)ĊA;鶨ֵ(߅/L(zhng)߅)
D1 c(din)cNSĊA
A(bio)()B(bio)()C(bio)()D(bio)()֧ĵ(bio)()L֧(du)ǾL(zhng)ȵһ
ʽmcPIr(sh)˹ʽmʽеđ(yng)ȜpPIc(din)cXSĊAǰѹʽеPIQ2PI
þܛߡˆеġc(din)λ(yn)CӋ(j)㷽λǷ(zhn)_;
(dng)·Ǐ|r(sh)ʰȡc(din)Kc(din)M(jn)(PI)ЦfenӋ(j)ֵþc(din)ȡֵ֮g`
Ʊģ壺
EXCELк(sh)F(xin)֧ƫֵķλ^˨(bio)Ӌ(j);(do)CADҲS(yng)ܛ
D2D3D4քeoEXCELӋ(j)֧ƫֵķλǡ^˨(bio)ľʽD2ƫֵGʾ֪֧ľƫֵ֧ĵ(bio)֪ǰ珽(bio)߾cwľĽc(din)(bio)ڈD3ķλBCݔ֧ĵ(bio)HIݔ珽(bio)ڈD4^˨(bio)BCΞ֧ĺ͘^˨(bio)ڱֻݔ֧̎(bio)͌(du)(yng)Ŀ罛(jng)(bio)ͿԵõ^˨(bio)
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