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控制和系统专业英文推荐信dear sir r ada:the purpse f this letter is t reend r x, a rth andidate fr adissin t ur graduate prgrar x have ever t urse intrdutin t ntrl i as deepl ipressed ith hi nt nl the gd sre a he gt in the lass but als thehighl ative and devut attitude he learn ntrl ther seties, he ae t ffie t as e se interesting questins abut the ntrl and sste theries nt entined in the autbilg f lass and t disuss the develpent and appliatin f ntrl ther in siene and industr ith e he iagined this ther is trul an aazing subet if peple understand and use it ver ell, this rld ill get better ell! i thught, this ung an is reall lie ntrlthen he t part in researh design f sinusidal sillatrs using the ther f variable struture sstes (published in the int f eletrnis, 1992, vl 72, n 1) t design the sillatr iruits fr siulating the iruits he designed ith pspie t assebling the eletrni eleents he shn e the enthusia and hardil spirit in his rhen gettinga ne idea r finding se questins,he alas shared his pinin abut h t vere the errr r iprve the experient results t eafter tr-and-errr and aelirating the iruit an ties, e finall gt a refined but gd-perfrane sillatrr x als gt adirable grades in a uple f urses f ntrl and sstes, i trul believe he has strng learning apabilit and enthusis in this field s i n dubt that he ill bee a gd student in ur esteeed departent shuld u need an further infratin abut r x, please d nthesitate t ntat e sinerel ursxxx
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