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These results suggested that many organella could all develop into amyloplast, variation of amyloplast envelope resulted in amylopast proliferation, RER played an important role in synthesis and deposition of protein, ER showed many functions during endosperm development, intercellular space and plasmalemma invagination played an important role in transportation of nutrients, degeneration of starchy endosperm nucleus was a special PCD, Ca〓 and phosphatases played an important role during endosperm development.
上述结果表明：多种细胞器可以趋同发育成淀粉质体，淀粉质体增殖来源于其被膜的活动，粗面内质网在蛋白质的合成与积累中具有重要作用，内质网在胚乳发育中具有多种功能，胞间隙和质膜内陷在营养物质的运输中具有重要作用，淀粉胚乳细胞核的衰退是一种特殊形式的编程性死亡，Ca〓和磷酸水解酶在胚乳发育中起重要作用。
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In the second layer,namely supercooled water layer,there are composed by ice crystal,snow,graupel,cloud droplet and raindrop.
云的第一层对第二层有播种作用，冰晶层对降水的贡献为7%，过冷水层对降水的贡献为54%，暖水层对降水的贡献为39%，降水的产生中冷云过程作用稍大，但暖云过程也起重要作用。
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However,the removal of soil noncrystalline aluminum with DCB soultioncaused an obvious decrease of soil SSA.3.The hydroxy aluminum in the interlayer of 1.4nm intergrade mineralhad an important negative effect on the cation exchange capacity ofsoil colloids.Its removal would cause a significant increase in CEC valuesof the soil colloids.4.Free aluminum was the major carrier of phosphate adsorption of soilcolloids.Particularly,the active aluminum had a decisive effect on thecapacity of phosphate adsorption of soil colliods.5.Addition to the effects of other soil constituents on soil surfaceproperties,it was thought that the effect of soil free aluminum,especially active aluminum on soil surface properties,deserved closeattention.
焦磷酸钠、草酸铵、DCB、柠檬酸钠和NaOH提取的土壤铝对提高土壤CECv、AEC、PZC和PZNC起重要作用，尤以活性铝的作用较大。2）用草酸铵处理除去铝后，土壤比表面积变化不大或略有增加；用DCB处理除去土壤铝后，土壤SSA明显降低。3）层间羟基铝对土壤胶体的阳离子交换量有显著负贡献，用柠檬酸钠将之除去后，土壤胶体的阳离子交换量明显增加。4）土壤胶体中的游离铝是土壤胶体吸附磷的主要载体，尤其是其中的活性铝，对土壤胶体的磷吸附能力起决定性作用。5）除其它土壤组分对土壤表面性质的影响外，土壤中的游离铝、尤其是活性铝对土壤有关表面性质的影响，值得引起特别的重视。
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In addition, we presume that the role of different MMPs is distinct in various stages of EMs development. The difference of subjects which is resulted by the genetic difference of MMP-1 has the association with the risk of EMs, and the abnormal expression of protein may have relation with the development of EMs; The abnormal expression of MMP-3 has a very important role in the development of EMs; As a protein of endothelial expression, MMP-7 may participate in the development of EMs, endometrial cells with high-expression MMP-7 easily take place ectopic implantation in the blood of menstruate countercurrented and increase the risk of EMs; It is not confirmed in our study that there are the association of MMP-9 with the risk of EMs, but in view of other study, we will further evaluate the role of MMP-9 in the development of EMs.
且推测不同的MMPs基因在子宫内膜异位症发生和发展的不同阶段作用不同，MMP-1基因的遗传差异所导致的个体差异与子宫内膜异位症发病风险的个体差异相关，其蛋白的异常表达还可能与子宫内膜异位症的进展相关；MMP-3基因的异常表达在子宫内膜异位症的发展中起重要作用；MMP-7作为一个上皮性表达的蛋白，可能对子宫内膜异位症的发生起重要作用，带有MMP-7高表达的在位子宫内膜细胞更易在经血逆流中"异位"种植，增加个体子宫内膜异位症的发病风险；MMP-9虽然在本研究中没有被证实与子宫内膜异位症的发生和发展有相关性，但鉴于其它相关研究，有待于从其它方法证实MMP-9在子宫内膜异位症进展中的作用。
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It is intimately involved in spindle formation and chromosome segregation during mitosis. Now, the over-expression of PLK1 has been found in various primary carcinomata, and indicated the probability of PLK1 as a new tumor marker.
近年来，研究发现PLK1（polo-like kinase 1）基因在有丝分裂过程中起重要的调节功能，并且在多种的人类肿瘤包括肺癌中发现PLK1基因表达升高，提示PLKl的增长表达在细胞的增殖中起重要作用，预示PLK1可能是一个新的肿瘤标记物。
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PPARγ plays an imporlant role in the modulaltion of thophoblst invasion. PPARγ ligands can inhibit invasion through down-regulating MMP-2 and MMP-9 expressions, these provide experiment basement for deeply investigation of PPARγ ligands in the mechanism of cytotrophoblast invasion.
PPARγ在调节滋养细胞浸润过程中起重要作用，而且其作用可能是通过调节MMP-2和MMP-9的表达实现的，为深入探讨PPARγ及其配体在滋养细胞浸润机制中的作用提供实验基础。
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Locally increased inflammatory cytokines formation and the imbalanced oxidative/antioxidative reaction play important roles in the pathogenesis of VILI. Ambroxol has an obvious protective effect on VILI through its antioxidant/anti-inflammation potent.
炎症细胞因子及氧化-抗氧化系统的失衡在VILI的病理生理过程中起重要作用，溴环己胺醇通过其抗炎及抗氧化作用对VILI有显著的保护作用。
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The bonding characteristics of these conformers have been investigated with NPA, AIM and NBO analysis.
用自然布居分析、电子密度拓扑分析以及自然键轨道分析研究了Im与CA的结合特征，表明电荷转移作用和氢键作用对复合物的稳定性起重要作用。
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In order to explore further mechanism, the present study was designed to investigate the relationship between the protective effects of F2 on myocardial I/R injury and expression of Egr-1, which could be a master switch in I/R injury.?
为进一步完善F2保护心肌缺血再灌注损伤作用的分子机制，以缺血再灌注损伤过程中起重要作用的Egr-1为研究对象，明确F2的作用机制是否与通过影响Egr-1在心肌组织内的表达有关？
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As one of the most important osmoregulation actor, firstly,Proline plays a keyrole in the osmotic potential adjustment in plant cells. Secondly, Proline can preventNaCl from damaging the structure of biomacromolecule in cells. Thirdly, the highdissolubility and non-rejection capability of Proline can enlarge the solution volumnof the cell, so the concentration of salt will be diminished in cytoplasm and the saltstress will be relieved. Forthly, the accumulation of Proline could prevent thedehydrolysis from sap cavity in cytoplasm. Fifthly, the synthesis of plant chlorophyllwill be diminished under the salt stress, but the Proline can provide request ofchlorophyll synthesis.
脯氨酸作为渗透调节剂对植物体细胞渗透势的变化起重要作用：一，在盐胁迫下，脯氨酸在植物体内是一种重要的渗透调节剂，它是一些高等植物和绿藻抗盐和抗旱的主要渗透剂之一；二，脯氨酸可以保护细胞中的生物大分子的结构，使之不被NaCl破坏，并能维持其完整的水合范围；三，脯氨酸的高度溶解性以及其对植物各种酶活性不抑制性，可以扩大细胞的溶解容积，从而降低细胞质液中盐的浓度，减轻盐的胁迫作用；四，细胞质中积累的大量脯氨酸可以防止液泡对细胞质的脱水作用；五，在盐胁迫下，植物叶绿素的合成受到抑制，叶绿素的合成需要脯氨酸。
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play a large part in：在......起重要作用;扮演重要角色
in relation to 与......相比 | play a large part in 在......起重要作用;扮演重要角色 | associated with 关于
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play a major part in：在...中担任主角/起重要作用
9. 建立一个网站 to set up a website | 10.在...中担任主角/起重要作用 play a major part in... | 11. 上舞蹈课 take dancing lessons
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make the difference phr：有重要影响,起重要作用
27.micronn.微米 | 28.make the difference phr. 有重要影响,起重要作用 | 29.parameldicn.护理人员,医疗辅助人员
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play a key role in：在某方面起重要作用
account for 解释,说明 | play a key role in 在某方面起重要作用 | at all levels 各个级别
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play an important role in：在......起重要作用
5. lack of缺乏 | 6. play an important role in在......起重要作用 | 7. pass further laws又通过了一些法令
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play an important role in：在.....中起重要作用
3. Change one's mind 改变主意 | 4. play an important role in 在.....中起重要作用 | 6. work out 计算出
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play an important role in：扮演重要角色,起重要作用
note down 记下 | play an important role in ... 扮演重要角色,起重要作用 | in other words 换句话说
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play an important role in doing：起重要作用
107.play an important role in doing起重要作用; | 108.be interested in对---感兴趣; | 109.be convinced of确信;
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play an important role：起重要作用
抢走某人某物 rob sb. of sth. | 起重要作用 play an important role | 扮演...的角色 play the role of
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play an important role/part in：在...方面扮演重要角色(起重要作用)
17 reach the standard 达到......水平、标准 | 18 play an important role/part in 在...方面扮演重要角色(起重要作用) | 19 as well as 和......一样