In fact, when scientists allowed some scrub jays to dig up another jay's food after seeing where it was buried, the birds allowed to steal were more likely to rebury their own food later, when given the chance.

是的黄色强奸美女A级片，事實(shí)上免费人成黄页在线观看欧美，當(dāng)科學(xué)家允許蜂鳥看到其他蜂鳥埋藏食物国产精品自拍九，那些允許去偷竊的鳥，一旦有機(jī)會(huì)黄色网站x5，他們就會(huì)把食物重新埋好男人的天堂色欲网。

The plant burial environment in the high-tide flat is more humid than that in the beach within a dam due to the tidal effect, so the decomposition rate and the carbon and nitrogen content variation rates of Scirpus triqueter litter in the high-tide flat are significantly higher than those in the beach with in a dam.

由于受潮汐作用影響，高潮灘的植物埋藏環(huán)境比堤內(nèi)的更潮濕激情图片小说频道，從而使得藨草在高潮灘的分解速率以及碳A级毛片毛片免费观的看久TV、氮元素含量的變化速率都明顯高于堤內(nèi)。

The Changjiang estuary Dongtan wetland was taken as the study area,the stems and roots of pioneer plant Scirpus triqueter were collected and buried in the high-tide flat and the beach within a dam to study the variations in mass,carbon and nitrogen contents in the putrefaction and decomposition process of Scirpus triqueter,and the main factors affecting the plant decomposition were analyzed.

以長(zhǎng)江口崇明東灘濕地為研究區(qū)域中文H漫，采集了先鋒植物藨草的地上莖和地下根部分www.888午夜，分別埋藏于高潮灘和堤內(nèi)兩處不同地點(diǎn)，研究了植物不同部位組織在腐爛分解過(guò)程中質(zhì)量及其碳国产精品sss在线观看AV、氮元素含量的變化日韩侵犯精品视频在线，分析了影響植物分解的主要因素。

There is evidence that leaving the sclerotia on the soil surface enhances degradation whereas burying the sclerotia enhances survival.

有證據(jù)表明生活在土壤表層的菌核易受到降解而埋藏在土壤深處的菌核能夠促進(jìn)存活性色网站污视频。

For shallowly buried plastic landmines, ground bounce removal is a very challenging problem.

對(duì)于淺層埋藏的塑性地雷超碰a，地表發(fā)射雜波的抑制是一個(gè)公認(rèn)的技術(shù)難題。

Spong - This would more than suggest, therefore, that the Easter egg hidden in the ...

海綿-這將以上建議欧美性爱亚洲性爱一级，因此女人16一毛片，復(fù)活節(jié)蛋埋藏在。

According to the researches, the natural gas in this area is mainly controlled by structures and sedimentation, faults play a very important role in the natural gas's movement, the high spot areas of paleostructures are the advantageous gathering places of natural gas today; the sedimentary facies of the area is mainly the delta front subfacies, and the thickness of sand bed is relatively thin, the fuzzy diagnosis of natural gas indicates that the gas of this oil layer is distributed dispersively.

研究認(rèn)為国产欧美精品，本地區(qū)的天然氣分布主要受構(gòu)造和沉積控制国产老女人操逼视频，斷層對(duì)天然氣的運(yùn)移起到至關(guān)重要的作用，古構(gòu)造的高點(diǎn)地區(qū)是現(xiàn)今天然氣的有利聚集區(qū)热岛影院理论片；本區(qū)沉積相主要為三角洲前緣亞相黄色国产一级片浪潮骚货，砂體厚度相對(duì)較小，模糊識(shí)別天然氣預(yù)測(cè)顯示該油層天然氣呈分散狀分布美女录像三级全黄；但總體看真人自慰120秒免费观看，由于本區(qū)天然氣埋藏很淺，容易開(kāi)發(fā)爽好舒服无码刺激网站，且天然氣預(yù)測(cè)分布面積之總和具一定規(guī)模91A片网站，因此有較好的發(fā)展前景。

With the development of oil drilling and the increase of the deep ocean drilling,the requirements of drilling additives were also promoted to satisfy the high temperature resistance and salt resistance.2-Acrylamido-2-methylpropane sulphonic acid is an acrylamid derivatives with -SO3H and -CH2=CH2- in its molecular structure.

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The times he spent playing with his toys in a sparsely furnished Kamino apartment, his guardians Taun We and MU-12, the quiet moments he would share with his father catching rollerfish -- all quiet memories buried under a hard callous of vengeful thoughts and malice.

那些他在布置簡(jiǎn)約的卡米諾公寓里與玩具相伴的日子欧美日韩精品二区在线，他的監(jiān)護(hù)人湯·韋和MU-12老熟精品视频在线观看，他與父親分享捕捉巨浪魚的恬靜時(shí)光——所有這些平靜的記憶都被埋藏在因復(fù)仇欲和怨恨感而產(chǎn)生的冷酷無(wú)情之下山外精品影院。

The seedling establishment of Tsuga longibracteata in elliptical gap (area 118 m^2) center, middle, edge and under canopy of T. longibracteata forest were studied by seed burial experiments from December 2003 to January 2005 in Tianbaoyan National Nature Reserve of Fujian,China.

通過(guò)2003年12月到2005年1月對(duì)福建省天寶巖國(guó)家級(jí)自然保護(hù)區(qū)長(zhǎng)苞鐵杉林內(nèi)橢圓形林窗（面積118平方公尺）中心、中部国产婷婷在线、邊緣和林下樣地進(jìn)行種子埋藏及幼苗定位觀測(cè)實(shí)驗(yàn)亚洲视频86p，研究了長(zhǎng)苞鐵杉幼苗在林窗不同位置中的建立。