the ltudesthe outer fve pls rrr thn thosethe ne does nottht the ner terrestrl ry subsystenbsp;sstble thn the outer one: thsslesultthe rtve sllnessthe ssesthe four terrestrl pls pred wth thosethe outer jov thgnotcetht the ner ry subsystenbsp;yunstblerpdly thn the outer one becusets shorter orbt cnseenthe pnels denoted sner 4 the lonrperodc nd rregr osctons repprent thnthe pnels denoted stotl 9. ctully， the fluctutonsthener 4 pnels rer extent resultthe orbtl vrtonth，cnnot neglect the contrbuton fronbsp;other terrestrl pls，we wll seesubsequent sectons.
4.4 longternbsp;couplgseverl neghbourgprs
letseedvdul vrtonsry orbtl energy nd ngr ntunbsp;expressedthe lowpss fltered dunndshow longternbsp;evolutonthe orbtl energyechnd the ngr ntunbsp;notce thtpls fornbsp;pprent prsterorbtl energy nd ngr ntunbsp; prtcr， venus nd erth typc the fgures， they show negtve corrtonsexchnenergy nd postve corrtonsexchnngr ntu the negtve corrtonexchnorbtl energy ns tht the two pls fornbsp; closed dyncl systenbsp; terthe orbt postve corrtonexchnngr ntunbsp;ns tht the two pls re sltneously under cert longternbsp; for perturbers re jupter，cn see tht mrs showostve corrtonthe ngr ntunbsp;vrtonthe venus–erth syste rcury exhbts cert negtve corrtonsthe ngr ntunbsp;versus the venus–erth syste whch seebecton cusedthe conservtonngr ntunbsp; the terrestrl ry subsyste
tnot clerthewhy the venus–erth pr exhbtegtve corrtonenergy exchn nostve corrtonngr ntunbsp; y possbly ex ths through observg the nerl fct tht there resecr terry sejor xesto secondorder perturbton theores cf. brouwer & clence 1961; blett & puc ns tht the ry orbtl energy whchdrectly rtedthe sejor xhtch less ffectedperturbg pls thnthe ngr ntunbsp;exchn whch rtese. hence， the entrctesvenus nd erth cndsturbed eslyjupter nd sturn， whch results postve corrtonthe ngr ntunbsp; the other hnd， the sejor xesvenus nd erth re less lkelybe dsturbedthe jov the energy exchn ylted only wth the venus–erth pr， whch results negtve corr