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In the homozygotic ZZ embryo, expression of Dmrt-1, anti-M ü ll erian hormone, Sox9 and P450 17 α-hydroxylase play a pivotal role in testicular formation.

在同型配子 ZZ 胚胎中， Dmrt-1 、抗缪勒氏管激素、 Sox9 和 P450 17 α羟化酶的表达对性腺分化并发育为睾丸起到关键的作用。

Integrifolia lectins was slightly greater when mucus from infected fish was used, suggesting an increase of mannose and galactose binding lectins in fish skin exposed to parasites. As mannose, galactose and lactose are present on the glycocalyx of Gyrodactylus derjaini, it is suggested that lectins could play a dual role in interactions between fish hosts and their monogenean parasites.

integrifolia凝集素的抑制作用稍微更强，表明鱼类感染寄生虫后，皮肤中会与甘露糖和半乳糖结合的凝集素有所增加，由于甘露糖、半乳糖和乳糖存在于Gyrodactylus derjaini的外被多糖中，表明凝集素在鱼类寄主与单殖寄生虫相互作用中起双重作用。

Integrifolia lectins was slightly greater when mucus from infected fish was used, suggesting an increase of mannose and galactose binding lectins in fish skin exposed to parasites. As mannose, galactose and lactose are present on the glycocalyx of Gyrodactylus derjavini, it is suggested that lectins could play a dual role in interactions between fish hosts and their monogenean parasites.

integrifolia凝集素的抑制作用稍微更强，表明鱼类感染寄生虫后，皮肤中会与甘露糖和半乳糖结合的凝集素有所增加，由于甘露糖、半乳糖和乳糖存在于Gyrodactylus derjavini的外被多糖中，表明凝集素在鱼类寄主与单殖寄生虫相互作用中起双重作用。

Chinese Premier Wen Jiabao has proposed that the United Nations play a stronger role in dealing with challenges to world peace. He was speaking during a meeting with Sheika Haya Rashed Al Khalifa, president of the 61st session of the United Nations General assembly.

在同第61届联合国大会主席哈亚·拉希德·阿勒哈利法会晤期间，中国国务院总理温家宝提议，联合国在应对世界和平的挑战上应该扮演更强大的角色。

Chinese Premier Wen Jiabao has proposed that the United Nations play a stronger role in dealing with challenges to world peace. He was speaking during a meeting with Sheika Haya Rashed Al Khalifa, president of the 61st session of the United Nations General assembly.

在同第61届联合国大会主席哈亚·拉希德·阿勒哈利法会晤期间，中国国务院总理温家宝提议，联合国在应对世界和平的挑战上应发挥更强大的作用。

The hepatopulmonary syndrome occurs when intrapulmonary dilatation causes hypoxemia in cirrhosis. The free radicals may play a significant contributory role in the progression of HPS, and flavonoid agents could protect against deleterious effects of free radicals.

这个太专业了，不当之处请见谅：肺内扩张导致肝硬化部位血氧供应不足时就会发生肝肺综合症，自由基在肝肺综合症进程中可能扮演了一个极其显著的角色，类黄酮剂能够防止自由基的毒害作用。。

NMDA(N-methyl-D-aspartate) receptors are a subtype of excitatory transmitters-glutamate receptor which belong to a heteromeric ligand-gated ionotropic receptors and play an important role in many complex physiological and pathological processes, such as nerve development, neuronal excitatory synaptic transmission, synaptic plasticity, central sensitization and neuronal death.

NMDA(N-methyl-D-aspartate)受体是兴奋性神经递质谷氨酸受体的一种亚型，是一种异聚体配体门控型离子通道，参与体内神经发育、神经元的兴奋性突触传递、突触可塑性、中枢敏化、神经元死亡等多种不同的生理和病理过程。

Water in that is not only a direct factor, but also play a dynamic role to control the change of Suaeda heteroptera Kitog.

水资源在其中不仅直接影响到碱蓬生境的咸淡水比例，同时也通过水动力条件间接控制着碱蓬的消长。

This article describes a new method to measure and calculate main cable vertical degree of hydrometric cableway station,and some real application examples are given,hoping that the method would play a certain role in hydrometric cableway use and maintenance for hydrological employees.

根据工作实践，以几何学的原理介绍一种实用的水文缆道站缆道主索垂度的测量和计算方法，并以实例予以说明，以期为基层水文职工维护使用水文缆道起一定作用。

Overexpression of MC-1R in medium thickness skin autografts may play a important role in hyperpigmented process of skin autografts.

黑皮素-1受体在自体移植皮片过度色素沉着中起重要调控作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。