They point out that free-time activities play an important role in childhood development and that large amounts of homework reduce children's free time, hindering their development.
他们指出，业余活动在儿童发展中发挥着重要作用，大量的家庭作业减少了孩子的业余时间，阻碍了他们的发展。
Once the lithium ions are free, they move only in and out of the active material, and the inactive material continues to play its stabilizing role.
一旦锂离子是免费的，他们只移动进出的活性物质，不活跃的物质继续发挥稳定作用。
People can be given free samples. They try first and then they pay the money. Advertisements also play an important role in promoting the new inventions?
可以给人们一些免费的样品，让人们先尝试再付款。广告也在推广新发明中起到了很重要的作用。
Antioxidants SOP up damaging free radicals that play a role in aging and age-related diseases.
抗氧化剂吸收在老化和年龄相关性疾病中起作用的自由基。
We had to protect our country's ability to play its indispensable role as the guarantor of peace and the repository of the hopes of free peoples.
我国作为和平的保障和自由人民希望之所在，起著不可缺少的作用。我们必须保护我国发挥这一作用的能力。
Essay used as a kind of open and free composing way can play the role of meaning conveyer, emotion catharsis, communication and construction of life in mental counseling.
随笔作为一种比较自由的写作方式，可以实现心理辅导的意义表达、情绪宣泄、沟通与建构功能。
Mitochondria play an important role in energy metabolism, free radical production, aging and cell apoptosis.
线粒体在能量代谢、自由基产生、衰老、细胞凋亡中起重要作用。
Extracellular RNA is a group of RNA that is bound or free, which can not only play an important role in life, but also be the useful molecular markers for disease diagnosis.
细胞外RNA是存在于细胞外以结合或游离形式存在的一类RNA分子，它不仅在生命过程中起着非常重要的作用，而且可以作为疾病诊断有力的分子标志。
The results suggested that hypoxia stress may be a main factor for pathogenesis of ascites syndrome, and free radicals play an important role in the pathogenesis implicating with oxidative stress.
结果提示：缺氧引起的应激反应是肉仔鸡腹水综合征发病学的主要生理性因子，自由基在该病发生过程中起着重要作用；
Free radicals are a group of charged atoms, molecules or ions with strong biological activity, which play an important role in pathogenesis of cancers and many other diseases.
自由基是一类带电荷的原子、分子或离子，具有很强的生物活性，在肿瘤和其它许多疾病的发生过程中起重要作用。
The propofol play its role through many possible mechanism such as the modulation of oxygen free radical and calcium, cell apoptosis, and mitochondrion.
它发挥保护作用的可能机制，主要通过异丙酚对氧自由基、钙离子的调节、细胞因子、细胞凋亡和线粒体等几方面的作用来实现。
Free radicals and molecular ions play an important role in the study of interstellar medium, chemical reaction dynamics and medicines.
自由基分子及分子离子光谱在天体演化、化学反应动力学、医学等方面具有重要意义。
These results suggest that oxygen free radicals may damage the activity of cytochrome oxidase, the reduction of which may play an important role in the injury of renal ischemia and reperfusion.
提示氧自由基可能损害细胞色素氧化酶活性，细胞色素氧化酶活性降低在肾缺血再灌流损伤中可能起重要作用。
Conclusion the study demonstrated that 2 ethoxyethanol can increase the liver level of no free radicals and the lipid peroxidation may play an important role in 2 ethoxyethanol's liver toxicity.
结论2 -乙氧基乙醇能引起肝脏一氧化氮自由基增加并诱发脂质过氧化反应对肝脏发生毒性作用。
Manganese superoxide dismutase (SOD2) is a matrix enzyme expressed in mitochondria. SOD2 is a known free radical scavenger, and has been shown to play a role in several nervous system diseases.
锰超氧化物歧化酶(SOD2)是线粒体基质酶，作为细胞内氧自由基的清除剂，SOD2与氧化应激相关的神经系统疾病密切相关。
Astaxanthin may play a key role in the protection of cell membranes against free radical attack, as well as supporting the immune system and cardiovascular health.
虾青素在帮助细胞膜抵抗自由基损伤的方面起着关键作用，并且还能增强免疫系统和心血管健康。
Yes he did play attacking left at times for Arsenal, but it was more of a free role.
他在阿森纳实在一度主攻左路，但更多时候是个解放人。
Astaxanthin may play a key role in the protection of cell membranes against free radical attack, as well as support of the immune system and cardiovascular health.
虾青素可能在细胞膜免受自由基攻击保护的关键作用，以及作为免疫系统和心血管健康的支持。
Play against anyone, anywhere, anytime in this free-to-play massively multi-player online (MMO) role-playing game (RPG).
对战任何人，在任何地方，任何时间在此免费任玩大型多人在线游戏(MMO)角色扮演游戏(RPG)。
Long-chain acyl-coenzyme A synthetases(LACSs)activate free fatty acid to acyl-CoA thioesters and play an important role in fatty acid anabolism and catabolism.
长链酰基辅酶A合成酶（LACS）把游离脂肪酸活化成为酰基辅酶A，从而在生物的脂肪酸的合成代谢和分解代谢中起着重要的作用。
The free radical network scavenging agent of the invention can play tremendous role in the production of functional cosmetics such as anti-aging, whitening, sunscreen, after-sun repair, etc.
本发明自由基网络清除剂在抗衰老、美白、防晒、晒后修复等功效性化妆品生产中可发挥巨大作用。
Antioxidants are believed to play an important role in protecting the body's cells against free radicals, which can damage cells.
抗氧化剂被认为在保护人体细胞免受自由基的损伤方面起着重要的作用。
The results suggest that oxygen free radical (OFR) may play an important role in the pathophysiology of AOSC;
结果提示，氧自由基（OFR）在AOSC的发病机制中起着重要作用。
The results suggest that in the process of intermittent hypoxia in rats, generation of oxygen free radicals was increased in lung, which may play a role in pathogenesis of pulmonary hypertension.
提示间断低氧过程中沛部氧自由基生成增多，可能参与了肺动脉高压的发病过程。
Conclusion These findings indicated that oxygen free radicals may play an important role in the pathophysiological process of acute toxoplasmosis.
结论氧自由基参与了急性弓形虫病的病理生理过程。
Features: Free gas springs mainly play a supportive role, only the shortest and the longest two locations, during the journey and unable to stop.
特点：自由型气弹簧主要起支撑作用，只有最短、最长两个位置，在行程中无法自行停止。
Features: Free gas springs mainly play a supportive role, only the shortest and the longest two locations, during the journey and unable to stop.
特点：自由型气弹簧主要起支撑作用，只有最短、最长两个位置，在行程中无法自行停止。
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