Changes of BMP4 mRNA and Noggin mRNA in superior colliculus after optic nerve injury;
视神经损伤后上丘BMP4 mRNA与Noggin mRNA表达的变化
Objective To probe into the change of neuron density of the superior colliculus in the post natal development in the golden hamsters so as to provide data for study of neuron death during individual development.
目的探讨金黄地鼠上丘生后发育过程中的细胞密度变化，为研究发育期间神经细胞死亡现象提供依据。
WIND FIELD OVER COMPLEX DUNE-CHAINS AND THE DYNAMIC FEATURES OF THE DUNES OVERLYING ON THE DUNE-CHAINS IN THE HINTERLAND OF TAKLAMAKAN DESERT;
塔克拉玛干沙漠腹地复合沙垄的流场和上覆沙丘组合及动态特征
top-down packing
由上而下的沙丘式充填
dene:a sandy tract or dune by the seashore.
沙丘:海边的沙地或沙丘.
A sandy tract or dune by the seashore.
沙丘海边的沙地或沙丘
The hill was buried under 11 inches of snow.
这丘陵上覆盖着11英寸厚的大雪。
then mounted the beach, climbed up the dunes,
然后上了海岸，并爬上了沙丘，
saw miles of sand dunes rolled out to the horizon.
看到几英里的沙丘在地平线上隆起。
An army of ants swarmed over the sand-hill.
一大群蚂蚁在沙丘上爬动。
Relatively flat or undulating sandy turf-covered ground usually along a seashore.
砂丘相对平坦或有波状起伏的覆草沙地，通常在海岸边
Dynamic Change and Prediction of Soil Water of Dunes Paving Eco-mat at Eco-tone between Oasis and Desert;
绿洲—荒漠交错带生态垫覆盖下沙丘土壤水分动态及预测
Effects of land use/cover change on runoff sediment discharge in typical watershed in Loess gullied-hilly region of China
黄土丘陵沟壑区典型流域径流输沙对土地利用/覆被变化的响应
Oligocene erosion had truncated the sediments draped over the dome.
覆盖于穹丘上的沉积岩为渐新世侵蚀所截削。
seafood in Newburg sauce served on toast or rice.
纽堡沙司里的海鲜，覆在吐丝和米饭上。
Cute Jim sat on the dune eating a prune in June.
可爱的吉姆在六月天坐在沙丘上吃着话梅。
During their journey they came upon many sand dunes piled up by the winds.
他们在路上看到许多被风吹积而成的沙丘。
Many of the animals that live in the sand dunes have become white.
很多生活在沙丘上的动物已经成了白色。
Changes on Landscape Pattern of Sand Dunes at Different Scales in Horqin Sandy Land
科尔沁沙地不同尺度上沙丘景观格局动态变化分析
"The hovercraft traveled first over the water, then mounted the beach, climbed up the dunes, and sat down on a road "
气垫船开始在水上航行,然后登上河滩,爬上沙丘,最后停在公路上。