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18
Ih^klZ\eyy^Zggu_\\ujZ`_gb_ihemqZ_f
()()()
GJ
lj
=+⋅−+⋅+⋅=
.
2.6. F_oZgbq_kdb_ khijhlb\e_gby \ ^\b]Zl_e_ b
khijhlb\e_gby hl ijb\h^Z \kihfh]Zl_evgh]h
h[hjm^h\Zgby
F_oZgbq_kdb_ khijhlb\e_gby \ ^\b]Zl_e_ khklZ\eyxl \k_ \b^u
f_oZgbq_kdh]h lj_gby hkms_kl\e_gb_ ]Zahh[f_gZ ijb\h^ h[hjm^h\Zgby
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D \kihfh]Zl_evghfm h[hjm^h\Zgbx hlghkylky \_glbeylhj dhfij_kkhj
]_g_jZlhjgZkhk]b^jhmkbebl_eyjmeybli
I j b \_^_ggZy d dhe_kZf Z\lhfh[bey kbeZ oZjZdl_jbamxsZy
f_oZgbq_kdb_ khijhlb\e_gby \ ^\b]Zl_e_ b khijhlb\e_gbyhl ijb\h^Z
\kihfh]Zl_evgh]hh[hjm^h\Zgbyhij_^_ey_lkyihnhjfme_
()
d
lj
d
lj
P
hh
PP
U
X
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9X
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L9K
3
⋅
⋅
+++
π
=
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(17)
h
P
S
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h
S
τ
±^Z\e_gb_jZkoh^m_fh_gZij_h^he_gb_f_oZgbq_kdbokhijhlb\e_gbc
\ ^\b]Zl_e_ b khijhlb\e_gbc hl ijb\h^Z \kihfh]Zl_evgh]h
h[hjm^h\Zgbyijbkdhjhklb[ebadhcdgmex
P
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b
τ
E
±dhwnnbpb_glu mqblu\Zxsb_ bgl_gkb\ghklv jhklZ f_oZgbq_kdbo
khijhlb\e_gbc \ ^\b]Zl_e_ b khijhlb\e_gbc hl ijb\h^Z
\kihfh]Zl_evgh]h h[hjm^h\Zgby ijb m\_ebq_gbb kdhjhklb
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18 Ih^klZ\eyy^Zggu_\\ujZ`_gb_ ihemqZ_f J lj = ⋅ ( + ⋅ ) + ( − )⋅ ( + ) = G . 2.6. F _ o Z g b q _ k d b _ k h i j h l b \ e _ g b y \ ^ \ b ] Z l _ e _ b khijhlb\e_gbyhlijb\h^Z\kihfh]Zl_evgh]h h[hjm^h\Zgby F_oZgbq_kdb_ khijhlb\e_gby \ ^\b]Zl_e_ khklZ\eyxl \k_ \b^u f_oZgbq_kdh]h lj_gby hkms_kl\e_gb_ ]Zahh[f_gZ ijb\h^ h[hjm^h\Zgby g_h[oh^bfh]h^ey_]hjZ[hlulhieb\guc\h^yghcbfZkeygucgZkhkukbkl_fZ ]ZahjZkij_^_e_gbybli D \kihfh]Zl_evghfm h[hjm^h\Zgbx hlghkylky \_glbeylhj dhfij_kkhj ]_g_jZlhjgZkhk]b^jhmkbebl_eyjmeybli I j b \_^_ggZy d dhe_kZf Z\lhfh[bey kbeZ oZjZdl_jbamxsZy f_oZgbq_kdb_ khijhlb\e_gby \ ^\b]Zl_e_ b khijhlb\e_gby hl ijb\h^Z \kihfh]Zl_evgh]hh[hjm^h\Zgbyhij_^_ey_lkyihnhjfme_ L9K h X lj ⋅ 9 X 3Pτ = S P + S hτ + (E P + E τ ) lj (17) π Ud ⋅ Ud ShP b Shτ ±^Z\e_gb_jZkoh^m_fh_gZij_h^he_gb_f_oZgbq_kdbokhijhlb\e_gbc \ ^\b]Zl_e_ b khijhlb\e_gbc hl ijb\h^Z \kihfh]Zl_evgh]h h[hjm^h\Zgbyijbkdhjhklb[ebadhcdgmex E P b E τ ± dhwnnbpb_glu mqblu\Zxsb_ bgl_gkb\ghklv jhklZ f_oZgbq_kdbo khijhlb\e_gbc \ ^\b]Zl_e_ b khijhlb\e_gbc hl ijb\h^Z \kihfh]Zl_evgh]h h[hjm^h\Zgby ijb m\_ebq_gbb kdhjhklb Z\lhfh[bey GZjbk\dZq_kl\_ijbf_jZihdZaZguaZ\bkbfhklbpmbbmhljZ[hq_]h h[t_fZpbebg^jZ
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