[计] 差分结构

difference structure的用法和样例:

例句

  1. Study on Design of Sloping Stable Forest Structure in Hilly-Gullied Area of Loess Plateau.黄土丘陵沟壑区坡面稳定林分结构设计研究。
  2. Undergrowth, one important component of the forest ecosystem, plays an important role in maintaining the forest structure and soil quality.林下植被作为森林生态系统的一个重要组成部分,对维持林分结构和土壤质量起着重要作用。

[00:00.00]Vienna n. [00:00.69]维也纳 [00:01.38]expect vt. [00:02.17]盼望 [00:02.95]stage n. vt. [00:03.41]阶段 上演 [00:03.87]scheduled a. [00:04.45]预定的 [00:05.04]contract vt. n. [00:05.83]承包 合同 [00:06.61]foundation n. [00:07.3

发表于:2018-12-05 / 阅读(298) / 评论(0) 分类 工商管理英语

UNIT ELEVEN [00:11.28]She goes to work by bus.Tony is writing a letter to his pen-friend. [00:22.75]He is answering his pen-friend's questions. [00:29.52]2 Octber 1995 Dear David, [00:39.44]Thank you for you letter.Here are the answers to your questi

发表于:2018-12-13 / 阅读(324) / 评论(0) 分类 小学综合英语3A

UNIT FOUR [00:03.21]Can I have a bowl of soup?Picture 1. [00:12.41]Peter,Tony and Jenny are playing waiters.Peter is the waiter. [00:23.93]Tony and Jenny are ordering their food.Picture 2. [00:35.71]Can I have a bowl of soup,please?No,I'm sorry. [00:

发表于:2018-12-13 / 阅读(328) / 评论(0) 分类 小学综合英语3A

UNIT SIX [00:12.49]Birthday presents Picture 1. [00:19.36]What do you want for your birthday,Mum? Oh,I don't know,dear.Picture 2. [00:34.77]Do you want any cakes? No,thank you,dear.Picture 3. [00:49.14]Do you want any flowers? No,thank you,dear.Pictu

发表于:2018-12-13 / 阅读(413) / 评论(0) 分类 小学综合英语3A

UNIT SEVEN [00:14.79]Which one do you want?Picture 1. [00:22.94]Can I have an apples? I like apples. Yes,of course.Picture 2. [00:38.77]Which apple do you want?The big one,please. [00:46.52]I don't want the small one. Gogo!You're greedy!Picture 3. [0

发表于:2018-12-13 / 阅读(359) / 评论(0) 分类 小学综合英语3A

UNTI TWELVE [00:04.28]What am I?Picture 1. [00:11.86]Tony and Lily are playing'What am I?'Are you young or old? [00:24.92]I'm young.Picture 2. [00:33.46]Have you got hair or feathers? I've got feathers.Picture 3. [00:46.99]Can you run or fly? I can r

发表于:2018-12-13 / 阅读(357) / 评论(0) 分类 小学综合英语3A

UNIT NINE [00:07.78]Lily and Susie go to school every day.Picture 1. [00:19.64]Lily and Susie go to school every day.They are in the same class. [00:31.43]They sit together every day.Picture 2. [00:41.87]It is eight fifteen.Lily and Susie are having

发表于:2018-12-13 / 阅读(351) / 评论(0) 分类 小学综合英语3A

UNIT TWO [00:12.20]Gogo can fly.Picture 1. [00:20.24]What can Gogo do,Tony? I don't know.Picture 2. [00:32.63]What can you do,Gogo? I can dance.Picture 3. [00:45.56]That's very good,Gogo. Can he sing?Picture 4. [00:57.94]Can you sing,Gogo? Yes,I can.

发表于:2018-12-13 / 阅读(387) / 评论(0) 分类 小学综合英语3A

Unit 1 [00:27.95]The donkey and the pekinese [00:32.71]There was a merchant who had a Pekinese dog. [00:37.98]It was like a toy. [00:41.14]The Dekinese lived in the merchant's house, [00:45.90]slept on his bed, sat on his lap and lived an easy life.

发表于:2018-12-13 / 阅读(399) / 评论(0) 分类 小学综合英语6A

Unit 13 [00:39.58]The farmer and the fox [00:43.52]There was a rich farmer who owned many fields. [00:49.08]He also kept ducks and hens. [00:53.76]They gave him eggs and sometimes he ate one for his dinner. [01:00.60]One night in winter a fox came to

发表于:2018-12-13 / 阅读(335) / 评论(0) 分类 小学综合英语6A

UNIT TEN [00:18.49]Ten apples.Picture 1. [00:25.76]A B C STORE.Picture 2. [00:34.53]One carrot.Picture 3. [00:42.55]Two lemonsPicture 4. [00:52.19]Three bananas. Picture 5. [01:00.73]Four sweets.Picture 6. [01:11.97]Five eggs.Picture 7. [01:22.13]Six

发表于:2018-12-13 / 阅读(351) / 评论(0) 分类 小学综合英语1A

Unit 2 [00:48.20]Is there anyone outside? [00:52.45]1 The Busy Bee Club met in John Tam's flat yesterday. [01:01.05]The children watched television.John heard a noise. [01:08.70]-What was that? [01:12.75]-I can't hear anything [01:16.12]2 -There's so

发表于:2018-12-13 / 阅读(311) / 评论(0) 分类 小学综合英语4A

Unit 6 [00:55.09]At the sale [00:58.25]Every year the Busy Bees collect money for the school. [01:05.59]They have a stall in the school playground. [01:11.16]They collect things from their friends. [01:15.60]Then they sell them. [01:19.44]1 -I'm look

发表于:2018-12-13 / 阅读(290) / 评论(0) 分类 小学综合英语4A

Unit 11 [00:43.70]The school bag [00:47.18]Last monday,Peter,Patsy John and Annie were at the bus stop. [00:55.93]A bus arrived. One of the boys picked up Annie's school bag. [01:07.76]'Hey!Annie said.'That bag is mine.' [01:14.14]'No,it isn't,'the b

发表于:2018-12-13 / 阅读(368) / 评论(0) 分类 小学综合英语4A

Unit 5 [00:49.32]Treasure hunt [00:53.47]Last Sunday,Jane took the children on a picnic. [01:00.24]-Shall we have a trea-sure hunt? [01:03.79]-Oh,yes! Jane hid some coins and drew a map. [01:10.95]She gave the children the map and a set of clues. [01

发表于:2018-12-13 / 阅读(316) / 评论(0) 分类 小学综合英语4A

Unit 9 [00:54.62]Sharing [00:57.86]The children played at Peter's flat last Sunday. [01:04.42]At 4 o'clock they were hungry.They wanted some food. [01:11.78]'We can put all our money together and then share it,'Annie said. [01:19.65]'No,we can spend

发表于:2018-12-13 / 阅读(354) / 评论(0) 分类 小学综合英语4A

Unit 13 [00:46.21]A holiday [00:49.16]'Tomorrow is a holiday John said to the Busy Bees. [00:55.82]'What are we going to do? [00:59.17]'I'm going to get up late,'Annie said.'I'm going to stay in bed all morning.' [01:07.03]'I'm not going to spend my

发表于:2018-12-13 / 阅读(304) / 评论(0) 分类 小学综合英语4A

Uint 2 [00:46.18]The lost pures [00:49.53]One afternoon Jane took the children out. [00:55.09]They went to the cinema and a supermarket. Then Jane said, [01:02.75]'It's time to go home.'She took the children to the MTR station. [01:10.61]She felt in

发表于:2018-12-13 / 阅读(488) / 评论(0) 分类 新路径小学英语六年级下册(一起)

爵士:Jamie Cullum - What A Difference A Daynbs 介绍 : ﹡英国查尔斯王子力荐,艾尔顿强赞誉为2004年主流乐界拥有不可思议般才华的表演者﹡英国销售大破百万张,蝉联流行榜52周排行,音乐史上销售

发表于:2018-12-13 / 阅读(220) / 评论(0) 分类 英文爵士乐

Jamie Cullum - What A Difference A Day Made What a difference a day made, twenty four little hours Brought the sun and the flowers where there use to be rain My yesterday was blue dear Today I'm a part of you dear My lonely nights are through dear Si

发表于:2019-02-02 / 阅读(201) / 评论(0) 分类 好听的英文歌曲
学英语单词
2-DG
adverbative
aeroelastician
amicus brief
an apple a day keeps the doctor away
applauses
arbalisters
Assab special steel
at one's pleasure
barley coal
be hospitalized
Benefits please,like flowers,while they are fresh.
biological metamorphosis
bonio
cadizs
central cyclone
circle of influence of well
class differentiation
clearing away the heart fire
cliff(scarp)
clutch change-over device
come to me
coolant recirculation line
countertenor
cryphaeus formosanus
cutting abrasion
dearticulatio
decimal alignment
diphosphole
distant voyage
dukkeripen
east-south-eastward
eohwa-do (ohwa-do)
flash programming
flax wax
fuls
Fumimaro Konoye
goisses
guaranteed surrender value
high-cost
homomorphous
hybrid vigour in wheat
immersion pipe
inductance capacitance
intake flow velocity
interlinear
interpass temperature
jointing pattern
Keralans
kerchered
laundry and hot shower effluent train
link road
live recording
Mahāwa
make sheep's eyes at someone
manganese pyroxene
mechanics parameter
mechlorethamine oxide
metorchiasis
monomyelocyte
motone
multiapproach
multimedia network system
namalius
nasal base breadth
net transfer of capital
nut lettuce
Palinuridae
panderly
paste jewel
pen type dosimeter
pilz
polition
pomacentrus coelestis
poorly paid
posterior tibial muscle
program testing
Pugionium
pyrolytic coating
pyrotechnic shell
restraints
robert schumanns
scaffolding-pole
Scombroidei
scottons
sea cobs
semisymphiostemonis
shihmienense
skeletalization
solipsize
spring-hard cold work
Stadler, Lewis
standard conductivity
stuffing box casing
torr(torricell)
torsion of gallbladder
travellers l.
underwater psychology
viburnum plicatum formosanum
waterproof glue
well-defined population
xanthydrol