na. 几何级数
[网络] 几何级数增加;数列与级数;等比级数

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(220) / 评论(0) 分类 数学英语

托福阅读的考察特点是比较明显的,虽然其选文都是科普文或者其他学术性文章,但是却不考察学术概念本身,而将考察重点落脚在常见词汇以及常见表达上。有很多考生对于这一特点并不熟

发表于:2018-12-19 / 阅读(214) / 评论(0) 分类 新托福写作真题解析

by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In

发表于:2019-01-02 / 阅读(249) / 评论(0) 分类 数学英语

By Zulima Palacio Santa Fe, New Mexico 27 August 2007 The western U.S. state of New Mexico has 19 Pueblo tribal communities, some of them among the oldest American Indian settlements in the United States. Many of them are well known for their pottery

发表于:2019-01-13 / 阅读(282) / 评论(0) 分类 2007年VOA标准英语(八月)
学英语单词
a an accommodating memory
absolute of temperature
agriculturist
auriferous quartz vein
available coefficient of telecontrol systems
bismuth sodium tuioglycollate
broken selvedge
cambone
camping-place
cavum oris
charity shots
circuss
Cochlearia warburgii
coffee-lounge
commissura media cerebri
completion of a topological group
composite index of leading indicators
compression chamber effect
convergent homeomorpha
cotton knitting machine
create new document
critical path scheduling
cytopathology
digital error
dilatan-kore
dimensional range
dinitrile fiber
distinguishing state
Divine Office
dodecastyle
driving course
eliptically symmetric distribution
entrepreneurial firms
euthing
executor nominate
f.m
four way leveling
fredkins
friends of Dorothy
general dropsy
genital center
genus madias
geometrical error
geosynclinal prism
gladclothes
griffith theory for surface flaws in glass
gut feelings
Hanceola mairei
hollabackgirl
hughe's telegraph
hydraulic synchronous mechanism
hydromechanical deep drawing
ied (instrumentation engineering diagram)
immediate profit
import credit a/c
initialling
inositis
intraleague
jossing-block
low-moisture
lustration
mast stop
Maulābād
mensher
movable eye-bolt
non-actions
number machine
obliquuss
palea
Piramal
profile and thread rolling die
ptochocracy
pulsed gaseous core reactor
quarter-hard annealing
radiant absorptance
recodifies
replisomes
router OS
sapadin
sclerotidectomy
shifting of brush
shipper-consignors
solid-state analog-to-digital computer (sadic)
star-leaf begonias
steel lattice truss
Sukkur
tank valve rod spring
Tayal
television set
terminal dissipation zone
terminals of a unit block
tooling up
trabeculotomy
transform methods
transpos(ition)ing
Treffort
vaginovesical
Volvi, Limni
wargasms
welt and seam rubbing machine
wood farm
ywept