植株的氮素状态

AGRICULTURE REPORT - Legumes: Good for People and SoilBy Bob Bowen Broadcast: Tuesday, February 21, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Many different kinds of plants

发表于:2019-01-02 / 阅读(34) / 评论(0) 分类 2006年慢速英语(二)月

Global warming might seem like a mechanic boom after all milder temperatures in more carbon dioxide and nitrogen should feed flower. But ten years study has found that any initial positive effect on plants from climate change may soon disappear. The

发表于:2019-01-08 / 阅读(38) / 评论(0) 分类 Scientific American(四)月

AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have

发表于:2019-01-30 / 阅读(71) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT — November 26, 2002: Corn, Part 1 By Mario Ritter This is the VOA Special English Agriculture Report. Corn is an important crop in many parts of the world. However, some people ar

发表于:2019-01-30 / 阅读(60) / 评论(0) 分类 农业与发展

1. It is one of natures great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants leaves are bathed in a sea of nitrogen gas.(3+)下述情形真可谓是自然界的一个莫大讽

发表于:2019-02-01 / 阅读(29) / 评论(0) 分类 GRE英语

Onesuchnovelideais thatofinsertingintothechromosomes (25)ofplantsdiscretegenesthatarenot apartoftheplants’naturalconstitution: specifically,theideaofinsertinginto nonleguminousplantsthegenes,ifthey c

发表于:2019-02-18 / 阅读(38) / 评论(0) 分类 英文语法词汇
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air traffic control tower
Artronal
automatic potato packaging machine
auxiliary file processing
bathroomgoers
beam jitter
beardworm
bigotic
boulengers
bubonic
butterlike
c linkage specifier
cargo throughput of port
carrier frequency wire broadcasting
case insensitive
cats' eyes
cedrus
chormium dioxide
clear something up
coagulated blood-serum
cyaniding-3-monogucoside
data semantics
dawed
DC'D
debars
debite
dementia
difference expression
disceptations
do-wop
domestic money orders cashing
Ductalloy
emphatic stress
epicyclic gear drive
estimated per cent uncollectible
expansion of color
extinction dilution
gastropulmonary
grimacier
group-busy register
high lights
hypoechogenicity
in circuit
international travel
interpretation models
intractably
inverted attribute
jiangdan
krubis
leggywork
less-developed countries (ldc)
logarithmic time-base
low-level extraction of parachute-retarted cargo (lolex)
main sequence stars
marine fresh water generator
media necrosis of aorta
merged file
mesohepar
Methedrine
Millikan oil-drop experiment
Nabilonum
Ngota
nonrandom segregation
open mould
orycteropus afers
partial regression coefficient
per ann
petyas
Planck time
power market
press for the repayment of debts
print optional data
quick breaker
Rawcliffe
rrhizophora apiculata bl.
sabana
schlotheimia pungens
siderocradle
slide step
slow jam
space(-)tracking
Spicers
splitting of papillary muscle
street-side
switch hook
Séchelles, L.
tactochemicle
teiology
telecontrol repeat
terpenone
the gory details
those that have, get
thread granules
Tietze syn-drome
time-to-pulse amplitude converter
titfers
Turtmann
Uniting for Peace Resolution
universal joint journal
vili
wine opener
xliiest