查询词典 have a role

Magnetic fields are believed to have a vital role in regulating and shaping the flow of material onto and away from protostars during their initial mass accretion phase.

两个小组在本期Nature上发表了观测证据，它们支持关于相似天体物理问题的相关理论，这些理论人们长期以来都认为是正确的，但却没有得到确认。

Sichuan Nico State-run New Materials Co., Ltd.- to lithium, cobalt, copper, nickel, lead, zinc, molybdenum, silver mining, elections, Metallurgical, chemical-based industry. In Sichuan, Jiangxi, Tibet, Qinghai and other places have a more than mine and smelting plant, is an important lithium, cobalt, copper, nickel integrated production base. The corporation has an annual production capacity of 3,000 tons of lithium hydroxide, lithium carbonate 2000 tons, 1,500 tons of electrolytic nickel, copper and electrical copper 5000 tons, 500 tons of lithium cobalt oxide, cobalt and cobalt board 500 tons of salt, lead and zinc concentrate, 20,000 tons, MOLYBDENUM 1200 tons, 26 tons of silver production scale, product widely used in petrochemical, aerospace, automotive industry, high-energy batteries, pharmaceuticals, ceramics, aluminum and other industries areas, in national economic development plays an important role in promoting.

公司业已形成年产氢氧化锂3000吨、碳酸锂2000吨、电解镍1500吨、铜粉及电铜5000吨、钴酸锂500吨、钴板及钴盐500吨、铅锌精矿20000吨、钼精矿1200吨、白银26吨的生产规模，产品广泛应用于石油化工、航空航天、汽车工业、高能电池、医药、陶瓷、炼铝等行业领域，在国民经济发展中起着重要推动作用。

Scalp massage to the blood circulation have a good role in promoting, but also elder care needs.

按摩头皮的血液循环有良好的促进作用，但也照顾老人的需要。

While some parents are terribly ill-prepared for the task of raising children, most parents are well meaning and would like to have a greater role in their children's lives.

其实很多父母对于养育儿女没有充分的准备，大多数父母都是善意的，很愿意在孩子的生活中承担责任。

Microvesicles have been shown to transfer proteins and RNA from cell to cell and they are also believed to play a role in intercellular communication.

有证据显示微泡可在细胞间转运蛋白质和RNA，它们还被认为在细胞之间的沟通中发挥着重要作用。

Contract management plays an important role in enterprise management as the strengthening of contract management and the establishment of all management systems can have a great impact on preventing and decreasing contract dissensions.

合同管理是企业管理的重要内容，加强合同管理，建立和健全各项管理制度，对于预防或减少合同纠纷有重要的意义。

This gene would not have been predicted to play a role in mental retardation based on the previous genetics work.

基于以前的遗传学工作，没有人预测过这个基因在精神发育迟滞中扮演了重要的角色。

They have since played a role in promoting two regrettable pieces of legislation: one, to curb "pornography", which though much watered down, might be used to ban such joys as traditional dancing; and one stopping Muslims belonging to the Ahmadiyah sect from proselytising.

从那以后这些党派就在推动两项令人遗憾的立法方面发挥了作用：其中一项旨在遏制&色情&，尽管该立法最终掺了水，但还是可能被用来查封传统舞蹈这样的娱乐活动；另外一项禁止Ahmadiyah派穆斯林劝诱他人改宗。

Historical linguistics study also allows us to non-linguistic factors such as socio-cultural and psychological factors such as changes in language from the process have a deeper understanding of the role.

历史语言学的研究还可以使我们对非语言的因素，如社会文化和心理因素等在语言变化过程中所起的作用有更深的认识。

Wahhabi teachings have also played a role in the 19th century history of parts of Nigeria, India, and Indonesia.

瓦哈比教义也发挥了作用，在19世纪历史的部分尼日利亚，印度和印度尼西亚。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。