传递机率, 递移机率

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(四)月

Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(十一)月

One Police stops on police vehicle outside one Victoria's Bar. After the preparation, as necessary arrests?, this liquor drive slightly mixes. Suddenly he sees to have a young people shakely goes out from bar, spend the many figures only then finds

发表于:2019-01-17 / 阅读(34) / 评论(0) 分类 白领英语晨读

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 万物简史

If you were going to a restaurant and wanted a healthier option, 如果你去饭店,你想吃得健康一点, which would you choose, grilled or fried chicken? 你会选择哪种食品呢,烤鸡还是炸鸡? Now most people would answer grill

发表于:2019-02-21 / 阅读(68) / 评论(0) 分类 TED演讲教育篇
学英语单词
-on
0312
actinic keratoacanthoma
acute traumatic supratentorial hematoma
anchored type ceramic veneer
ask sb to do sth
beast of draught
biographie
bottomming
catalexia
clears off
combustion value
Conium maculatum poisoning
constinuous on-stream monitoring of water quality
contingency table
defect casting
deka-newton
diplanetic
disproduct
dissolveless
distinguished symbol
dough room
driven disk
Epinephelus adscensionis
extracurricular activity
favorable export terms
genital corpuscles
genus mutisias
grod
hairas yarn
heat and power station
hemi-head
heroux
in a funk
incognitae
ingers
ionospheric modification
isoentropic reaction series
jansport
L.S.A.
limb-girdle type muscular dystrophy
Lin Yutang
line-in-line reaction
mercuric diiodosalicylate
meridional convergence
Merritt I. National Wildlife Refuge
minters
naphthyridines
naturally radioactive atom
octothorpe
oil-proof varnish
Panslavonian
Pareto principle
pentylbiphenyl
Petit-Rechain
pole changing switch
pragmatic science
prerogative writs and orders
produced by
quantity-production system
quantization of amplitude
rambling
rated form factor
reduce someone to tears
response time requirement
rocket propellant charge assembly
rubidium pentasulfide
sacred consumption
saw tooth type cutter
Saxon steed
secondary industry
seghe
serrated wrack
Shamakhi
shetlanders
shin bets
sigma star
slip opinion
source sink gap
sponge tire
stage separation test
state of the State message
sub-basins
subcultural
surmontant
swindling
tangential loading
tape width
tax farming
television frame frequency
thebes
thinly-veileds
thunder hills
tituled
tool grinder sharpener
topdown approach
trav.
TRICHONOTIDAE
Trici
V-joint
William Christopher Handy
work flow language