时间:2018-12-09 作者:英语课 分类:麻省理工学院公开课:微分方程


英语课

  分集介绍:这一讲的主题是极限环,首先教授给出了极限环的定义,它首先是方程组的解形成的一条闭合轨迹,另外它不同于一般闭合轨迹,它必须是附近轨迹在t趋于无穷时逼近的轨迹。然后教授介绍了极限环何时不存在的两个准则,分别是本迪克松准则和临界点准则,证明本迪克松准则时,证明过程中涉及了反证法,以及逆否命题逻辑。最后教授介绍了极限环的一些历史,并用他经历的一个有趣故事结束了本课,与某位中国教授有关。












学英语单词
'toons
absolute mean deviation
aggregometer
Agropoli
air-cooled graphite moderated reactor
aldehydic hydrogen
allomerisms
apex of earth motion
apodized aperture
beat-box
Bidens coronata
branded goods
broad-bean plants
Bulsār
candelabras
cheque board scan
cismadinone
Cleveland steamers
cmos gate array
contiguous sea area
cotton core
covariants
dahira obliquifascia
Danjuro
darkness adaption
directed set
divine-mind
dorsal tegmental nucleus
economic recession
epidote amphibolite
femtowebers
framework of fault
get too big for one's boots
hard right
Harmsworth, Harold Sidney
high-moisture grain silage
housekeeping digit
hydrofine
hydroiodination
industrial radiology
Itard-Cholewa sign
kaga
Kovel'
latricia
let something slide
manitology
meristoderm
Montsec
neutral position of brush
NOESY
nondefinable
nonstructural
observe measure s
periodontologists
physical shape
pincloth
polydelphous
polymorphic transition
poure
pure space science
quality circles
qualling
quantum step
Raphidia
recall of witness
regulize
reinforced concrete fence
renal embolism
reticulated veins
round mallet
scifier
selective conversion
self-murderer
sensitive plate processing
shaker convyer
sheet-ice
side tilt car
slimy waste material
small business management
smoothing by free hand
soil depleting crop
solar blind photomultiplier
speed matching
ST_easy-and-difficult_causing-difficulties-for-oneself-or-others
state correspondence error
strip a peg
super highway
tackle pulley
tar cooler box
telegraph selector
the book of fate
thread mill
three-putts
tighter than the barkon a tree
trisomy 18 syndrome
undivined
uniflow cooler
value insured rail traffic
wall of sound
whoopee do
Yemurtla
zookeep