【英语翻译要做一篇翻译,由于自己知识不够扎实,用软件翻译过来理通顺序都比较麻烦要求:前面几段还有结尾要语句通顺中间能混过去就行了小弟在此谢过ABSTRACT.Electronheatpulsepropagationfollo】

　　英语翻译

　　要做一篇翻译,由于自己知识不够扎实,用软件翻译过来理通顺序都比较麻烦要求:前面几段还有结尾要语句通顺中间能混过去就行了小弟在此谢过

　　ABSTRACT.Electronheatpulsepropagationfollowingsawtoothcollapsehasbeensimultaneouslyobserved

　　alongtwooppositeradialdirections.Foragivenfluxsurface,thearrivaloftheheatpulseatthehighfieldside

　　(HFS)isdelayedbyupto1msascomparedwiththearrivalatthelowfieldside(LFS).Theobserveddelay

　　agreeswithanestimateofthetimerequiredforparallelelectronheattransportalongthemagneticfieldlines

　　connectingthecorrespondingLFSandHFSisobars.Thissuggeststhattheprimaryradialheattransportoccurs

　　ontheLFS,whereastheHFSisfedsubsequentlyfromtheLFSbytemperatureequilibrationalongtheconnecting

　　magneticfieldlines.

　　1.INTRODUCTION

　　Itisusuallyassumedthatelectronheattransport

　　isgovernedbyadiffusiveprocessacrosstheentire

　　magneticsurface,andconsequentlythattheelectron

　　heatdiffusivityx,(r)isausefulcharacteristicquantity

　　todescribethisprocess.Experimentally,x,(r)is

　　commonlyderivedfromthe(quasi-)stationaryenergy

　　balance,Complementingthisstandardprocedure,

　　perturbationmethodshavebeenappliedtocalculate

　　thexevaluesfromtheradialpropagationoftransients

　　ontheelectrontemperatureT,andelectrondensityne

　　profiles.Anintrinsicsourceofsuchtransientsis

　　thesawtoothcollapseoccurringintokamaksundermany

　　dischargeconditions.

　　Previousanalysesoftheheatpulsepropagation

　　followingthesawtoothcollapsehavebeenbasedon

　　observationsalongoneradialdirectiononly,exceptfor

　　themostrecentanalysisTheyhaveaddressedthe

　　questionofwhether,andtowhatextent,thexevalues

　　derivedfromheatpulsepropagationdifferfromthose

　　obtainedfromthestationarypowerbalance.

　　Thepresentpaperreportsonthesimultaneous

　　observationofheatpulsepropagationalongtworadial

　　directionsintheequatorialplane,thatisalongboththe

　　high