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Its success launched Tornatore as a skilled manipulator of the heartstring and , at the time of writing ,there has been increasing speculation of an impending American remake that would feature Burce Willis and Macaulay Culkin in the central roles .

不过，这并不妨碍多纳托雷赢得"煽情高手"的美名。就在本文写作之时，好莱坞要翻拍此片的消息甚嚣尘上，听说他们想找布鲁斯·威利斯和麦考利·卡尔金来担当主演。

Occasionally however the roles are reversed, and the designer finds themselves forced to give a client the heave-ho.

但是偶尔他们的角色也会颠倒一下，设计师发现不得不将客户拒之门外。

Cell adhesion molecules play important roles in immunological reaction, hematopoiesis, extremity development and neural system development.

细胞粘附分子在免疫反应、造血、四肢发育及神经系统发育中发挥重要作用。

Results A group of cytokines that might play positive regulatory roles in suppression and regeneration of hematopoiesis were found.

结果 得到一组符合促进骨髓抑制恢复细胞因子特点的基因，其中细胞因子IL7表达量升高30倍。

As an important cytokine playing pivotal and versatile roles in the regulation of hematopoiesis, transforming growth factor-β attracts more and more attention.

作为重要模式生物的小鼠为研究造血发育提供了非常好的模型。转化生长因子-β作为造血调控的重要因子受到越来越多的重视。

Calcium sulfate has been used for bone regenation in oral medicine. Osteopontin, a marker molecule, expressed by osteoblast, plays multiple roles in human body. However, the effect of calcium sulfate on osteopontin expressed in osteoblasts is unclear. In this study, U-2 osteosarcoma osteoblastic cells were cultured in 0, 0.5, 1, or 10 μM calcium sulfate hemihydrate. There was no effect in the proliferation of cells, suggesting that calcium sulfate up to 10 μM is biocompatible. The cells and conditioned media were collected for analyzing mRNA and protein levels of osteopontin by reverse-transcription polymerase chain reaction and Western blot, respectively.

硫酸钙用於口腔医学中的骨头再生已经有多年历史，骨桥素是一种被骨母细胞分泌且在人体扮演重要多重角色的标的分子，然而，硫酸钙在骨母细胞分泌硫酸钙上的影响仍未明朗，在本实验之中，培养U-2骨肉瘤类骨母细胞(U-2 osteosarcoma osteoblastic cells)於0、0.5、1、10 μM的硫酸钙之中，在细胞数目的复制上，四种硫酸钙浓度并无影响，显示出U-2骨肉瘤类骨母细胞培养於10 μM的硫酸钙仍是生物相容性的。

What are the indispensable roles of herbivorous and carnivorous animals in the ecosystem?

植食性动物和肉食性动物在生态系统里扮演着哪些不可或缺的作用？

Some potential roles of the co- heritability in breeding programs and the relationship with genetic correlation have also been investigated.

有关该参数在育种中的潜在应用及其它与遗传相关之间的相互关系也给予了一定的讨论。

We propose that ORFL3 gene product may have roles in iron transport. Under BG11〓 culture conditions, ML3 also can induce heterocysts, But heterocyst development was a little different, there were many heterocysts at two ends of filaments.

但在铁缺失条件下ML3生长缓慢，光合色素含量低，蛋白质合成慢，表明ORFL3基因产物对在缺铁条件下的生长是必要的。

With the development of multicast-based multimedia applications and wireless network in recent years , the dynamic and heterogenetic of the network takes more and more important roles in those applications . Layered multicast is recognized as the best technique for solving dynamics and heterogeneousness of the network in multicast environment .

随着无线网络和多媒体组播应用在近几年的快速发展，网络的异构性，动态性等问题也更为突出，分层组播技术的提出为这些问题的解决提供了新的契机，它是目前公认的在组播环境中解决网络异构性以及网络动态性的较好的解决方案。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。