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The endemic species of Chinese freshwater bivalves are dominated by species in central part of China, Oriental realm, with a few species in Palearctic realm. The endemic species spread over 16 provinces, mainly distributed in Jiangxi, Hunan, Anhui, Zhejiang and Jiangsu provinces.

我国淡水双壳类特有种的组成和区系成分，以东洋界华中区的种类占绝对优势，仅有少数种类渗透到古北界；特有种在我国16个省有分布，但主要集中分布于江西、湖南、安徽、浙江、江苏五省。

A bird zeroing in on a flag-footed bug perched on a passionflower might see the flutter of red "flags"—the insect''s attempt to divert the hunter''s bite to nonessential limbs, away from its vital core.

一只飞鸟正集中火力于一只落在西番莲上旗足虫，但鸟儿见到的可能是一面飘动的&红旗&。这种昆虫试图将捕食者的注意力吸引到它身体不太重要的部分，以保全其主体肢体免于致命攻击。

Moreover,the main distribution character of Chinese Perlidae is that most of the species distribute Central China region,South China region and Southwest China region.The Central China region centralizes the distribution and the break of the perlid species,and made the dispersal for the others regions.

此外，郋科昆虫在中国的一个主要分布特点就是多数种类集中分布于华中区、华南区和西南区；而华中区则很可能是郋科种类的分化中心，并以此为中心向其他区扩散。

The fluorescence silgnal on Thr11-phorphoslated histone H3 reached the strongest at early metaphase at the centromere punctated in the central of mitotic cell.

结果显示：在MCF-7细胞中，组蛋白H3 Thr11的磷酸化发生在早前期细胞染色体的着丝粒处，成点状分布，继而在早中期达到最高水平，并眨羔状集中在赤道板上，在有丝分裂后期开始脱磷酸化，并于末期完成脱磷酸化。

S have to redetermine their marketing strategy and tactics which generally contrary to what they have done at their home markets based on their knowledge of the targeting countries' culture context.

而化学主要研究分子的特征和相互作用。相对于物体学主要从整体研究物质普遍属性，广义而言，化学集中研究各种元素和化合物的特定属性。

European sorrel with large slightly acidic sagittate leaves grown throughout north temperate zone for salad and spring greens.

有巨大微酸箭头形叶子的欧洲酸模，遍布于北温带地区，做色拉和春季草地。注意，注意力集中

The microfracturing process of Jinping marble specimen in Sichuan province under uniaxial compression is recorded by using the testing scheme. Quantitatively investigated the propagation and coalescent of cracks at meso-scale with digital technology, the basic geometric information of rock microcracks such as area, angle, length, width, perimeter, are obtained from binary images after segmentation. The failure mechanism of specimen under uniaxial compression with the quantitative information is studied from macro/micro scopic perspective. The result shows that during the damage of the specimen the distribution of microcracks in the whole specimen are still subjected to exponential distribution with some microcracks concentrated in certain regions.

应用于四川锦屏大理岩预制裂纹试样中进行单轴压缩破坏全程的数字化试验，对微裂纹的萌生、生长及贯通过程进行数字化定量分析，得到试样在受荷过程中微裂纹的面积、方位角、长度、宽度和周长基本几何数据，从宏细观角度描述了岩石试样单轴压缩过程中的破坏机制，并分析得出试样单轴受压破坏过程中虽然微裂纹在某些区域集中，但在整个试样中微裂纹的统计分布依然是服从某一指数分布的这一结论。

It is testified if the time reversed seismogram were used as the loading curve and an efficient source of force were exerted on the rock at the seismographic station,then artificial input energy will focus on the hypocenter and cause an intense impact,therefore an earthquake would be touched off.

模拟结果表明，如果将地震图进行时间逆转后，作为加载曲线，在地震台站点上通过一个有效的力源加载于基岩，利用时间逆转效应，可以将人工施加的能量在某一瞬间集中到以往的震源，引起一个强烈的冲击，因而可能触发地震。

Neolitsea sericea is distributed in Zhujiajian Island,Taohua Island,Mount Putuo and Damao Island,its distributional characteristic is isolated and scattered and small area.

chenii集中分布于舟山市普陀区所辖范围内的洛伽山、朱家尖岛以及以朱家尖、桃花、六横岛为中心的毗邻悬水小岛上，种质资源比较丰富，全市共有结果母树1.2万余株，大年种子产量有1500 kg左右。

Wide format printing. It will provide a strategi c forum to dem onstrate technology, showcase

首届ON DEMAND Chin a 展会范畴定位于按需印刷技术，将集中展示数码印刷设备，数字

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。