查询词典 deciduous teeth

Brush the tongue palatal surfaces of anterior teeth with the same rotational movement, dental arch stenosis toothbrush can be vertical, part of the hair bundle pressure in the gums, teeth gap down to the crown side pull brush, and pull the grit one s teeth brush teeth after occlusal surface.

刷舌腭前牙表面具有相同的旋转动作，牙弓狭窄牙刷可以垂直，在牙龈头发束压力的一部分，牙齿缝隙，向冠方拉刷，并拔出咬牙刷牙在咬合面。

The only way to maintain the health of deciduous teeth and permanent teeth may have future health.

只有这样，才能保持乳牙的健康，并且才可能有未来恒牙的健康。

Between these extremes lie the sal -dominated moist deciduous forest of eastern India; the teak -dominated dry deciduous forest of central and southern India; and the babul -dominated thorn forest of the central Deccan and western Gangetic plain.

在印度的上述热带雨林带和针叶树林带之间，印度东部以潮湿性落叶林带的婆罗双树为主，印度南部和中部则以干旱落叶林带的柚木树林为主，印度中部的德干高原和恒河平原则以热带旱生林带的阿拉伯相思树为主。

The Farming-pastoral Zone in North China was separated into 8 Eco-regions according to the known Eco-region. The dissertation analyzed the regional differences of land use changes from three aspects on dynamic degree , land use degree and the change direction (1)On land use dynamic degree, the dynamic degree of the cropland was the highest in North warm temperate deciduous broad-leaved forest and the lowest in temperate forest steppe; forest land's was the highest in alpine meadow and the lowest in warm temperate forest steppe; grassland's was the highest in temperate forest steppe-bunchgrass steppe and the lowest in alpine meadow; other land's was the highest in North warm temperate deciduous broad-leaved forest－the Huang-Huai-hai plain and the lowest in warm temperate bunchgrass steppe.

结合已有的自然生态区的划分，将我国北方农牧交错带划分为8 个自然生态区，选取土地利用动态度、土地利用程度以及土地利用变化方向等3 个方面的指标对研究区进行了区域分异规律的研究，结果如下：（1）耕地动态度北暖温带落叶阔叶林生态区——北部山地丘陵区最大，温带森林草原生态区最小；林地的动态度高寒草甸生态区最大，暖温带森林草原丛生禾草草原生态区——东南森林草原区最小；草地动态度温带森林草原——丛生禾草草原生态区最大，高寒草甸生态区最小；其他用地的动态度北暖温带落叶阔叶林生态区——黄淮海平原区最大，暖温带森林草原丛生禾草草原生态区—西北丛生禾草草原区最小。

Dry deciduous forests represent early stages in succession and are replaced by moist deciduous forests away from water courses, which, in turn, are succeeded by tropical semi-evergreen climax forest.

沿着水路，最早出现的是干燥落叶林，后来湿润落叶林就映入眼帘，最后植被又渐渐地被茂密的热带半绿林所代替。

In the same depth, the content of total nitrogen of broad-leaved deciduous forest in 0~10 cm depth is maximum ,and the average total nitrogen of the bamboo forest is maximum in 10~20 cm and 20~30 cm. The available phosphorus content of broad-leaved deciduous forest is minimum, and the available phosphorus content of coniferous forest is minimum, the deviancy is very big, which is mainly related to the human being's activities and the way of soil usage.

同一土层深度，落叶阔叶林在0~10cm土层全氮含量最高，而毛竹林在10~20cm和20~30cm土层全氮含量都超过落叶阔叶林，使得毛竹林在土壤平均全氮含量为最高；各种森林类型中以阔叶林尤其是落叶阔叶林的速效磷含量最高，而针叶林的速效磷含量最低，空间变动性很大，这主要和人类活动及土壤的利用方式有关。

According to the life form of species and their roles in communities, 6 species groups are used to do ordination analysis and environmental interpretation. The result suggests that:①Despite the strong man-made disturbance at lower altitude sites, the number and character of evergreen species show an change along the altitude gradient.②The rare and endangered species concentrated at two sectors along altitude gradient, corresponding to the upper and lower borders of the mountain mixed forest belt of evergreen and deciduous broad-leaved species.③The pioneer tree species concentrated on the middle and upper positions at lower elevation.④The deciduous accompany tree species show a great diversity on middle and lower position at middle and higher elevation.⑤Coniferous species differentiate along elevation and local topographical gradient.⑥Deciduous species in Quercus, Castanea, Fagus, Carpinus genus as well as coniferous species play primary community-constructing roles at different topographical position at Dalaoling region.

根据物种生活型及其在植物群落中的地位，分6个种组进行排序和环境解释，表明：①尽管低海拔地段受到强烈人为干扰，常绿种类仍显示了数量和性质沿海拔梯度的变化；②珍稀物种在海拔梯度上形成两个相对集中的区段，大致对应于山地常绿落叶阔叶混交林带的上下边缘；③先锋树种在中低海拔的中上坡位富集；④在中、高海拔的中低坡位，落叶的乔木伴生种显示了极大的多样性；⑤为数不多的针叶树种在海拔和局部地形梯度上也有明确分异；⑥它们和落叶的栎、栗、水青冈、鹅耳枥属物种在大老岭地区不同地形部位的植被中起着主要的建群作用。

Prattii- Ailanthus altissima deciduous broad-leaved forest community and Cerasus trichostorna-Cerasus dielsiana-Acer caudatum deciduous broadleaved forest community , had lower total richness and Shannon-Wiener index .

3人工林群落与次生林群落相比，人工林群落具有较低的物种丰富度指数和Shannon-Wiener多样性指数以及较高的优势度指数，次生林具有较高的物种丰富度指数和Shannon-Wiener多样性指数以及较低的优势度指数。

Mm thick, pith lamellate; nodes slightly prominent. Culm sheaths gradually deciduous, green, about as long as internodes or slightly longer, leathery, sparsely setose, margins withered; auricles absent or small and circular; oral setae few, readily deciduous, erect; ligule truncate or arcuate, ca. 2 mm, glaucous, initially ciliolate; blade deflexed or reflexed, shortly triangular, base slightly constricted, apex acuminate.

逐渐脱落，绿色的竿箨，大约节间和有点长，似皮革的倍于，稀疏刚毛，空白边枯萎；叶耳无的或小和圆；口头的刚毛很少，容易落叶，直立；叶舌截断或者弧曲，约2毫米，有白霜，最初具短缘毛；叶片外折的或反折，短三角形，基部稍缢缩，先端渐尖。

These six species are contrasted with three different phenological types, i.e., an evergreen, Cyclobalanopsis helferiana, two winter-deciduous, Buchanania latifolia and Symplocos racemosa, and three drought-deciduous species, Terminthia paniculata, Wendlandia tinctoria and Woodfordia fruticosa.

这6种植物包括1种常绿植物毛枝青冈， 2种冷凉季落叶( WD， winter-deciduous)植物天干果和珠仔树，3种干热季落叶(DD， drought-deciduous)植物三叶漆、红皮水锦树和虾子花。

I'm not an actor. I'm a professor of paleontology.

我不是演员，我是古生物学教授

Spider Network Web site that is a very image of the name.

网络蜘蛛即Web Spider，是一个非常形象的名字。