放射性碳素断代,碳素年代校正

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发表于:2018-12-01 / 阅读(201) / 评论(0) 分类 用Mp3背六级单词

Idiom: Lose your marbles ( go crazy ) Hit the book: The experiments by some scientists tell us that bats use the sunset to calibrate the Earth's magnetic field for use as a compass. But the story may be still more complicated. In birds, it's not the

发表于:2018-12-27 / 阅读(205) / 评论(0) 分类 趣味青春英语

Lake Sediment Could Better Date Ancient Finds Radiocarbon dating is the best-known and most widely used method to determine the age of organic material, such as bone or wood or plant matter. All such material contains radioactive carbon atoms, known

发表于:2019-01-14 / 阅读(125) / 评论(0) 分类 VOA标准英语2012年(十月)

德国大众集团旗下奥迪28日承认,全球约210万辆奥迪品牌汽车卷入排放门丑闻,其中,西欧市场约有142万辆,德国市场约有57.7万辆,美国市场约有1.3万辆。 请看相关报道: The German car maker Au

发表于:2019-02-01 / 阅读(125) / 评论(0) 分类 英文语法词汇
学英语单词
3-Nitropentane
acctylcholine
acetylase
acrotic
adaxially
advertisement file
allspices
antigen-antibody(complex)
articular lamella
Betazine
boydston
bravais' symbol
brkge.
Calamus walkeri
cancerological
capital of New Jersey
cheryle
chronic Lyme
circle problem
clearing for non member
contract government
crew-served weapon
de-sensitise
deby
deceased
determinant assay
digitate-trifoliate
discrimination accuracy
double crochet
Drumvaich
dumbification
Duval's nucleus
edgar wallaces
elution cycle
endochromocenter
equal pitch contour
eragrostis curvulas
exhaust hose
exogastric
extemporania
gangway hinge
go into executive session
gray hen
Harv. L. Rev.
hydrodynamical lubrication
kahlenbergerdorf
leading-in conductor
licorices
lime-rock
mandibulofacial
marine education and training
maritime SAR authority
masticator nuclei
material damping
microimpurity
mill about
moonstone glass
mould drag
multiple-objectives
multisentence
network decomposition
nonaxisymmetry
nuclear non - proliferation
nutgalls
nutritional dropsy
on-carrier
onest
operation-control system
pelagic sedimentation
phosphene accommodation
photochemical thermography
phronimids
planetary rolling
Quinquaud's disease
rail-fence
recrementory
register, set
remote inquiry
rest-mass energy
robinson-patman act
sardinella
shittahs
short circuit coil
spatial soliton emission
spentest
sporothrix isarioides
superconductor stabilization
supergiant star
support deflection
Swertia przewalskii
three-figure method
thyf
tommy cooker
Tribonema
trigonotis formosana elevatovenosa
turret traversing lock
vestibular dilator
virgin femalebaited trap
warm line
well-authenticated
wheel slide