主要原因

Joint aliment was important in maintaining stabilization with intact meniscus.

关节变形的主要原因是力线的改变，而半月板的滑脱是导致力线改变的重要因素。

Alkali aggregate reaction is one of the important factors that affect the durability of concrete structures.

混凝土碱-骨料反应是引起混凝土耐久性下降的主要原因之一。

High alkalinity was thought to be the dominant reason for killing pathogens.

粉煤灰的强碱性是杀死剩余污泥中微生物的主要原因。

Making full use of it is an effective measure of assets allocation and risks controlling.

主要原因在于股指期货在资产定价、市场调控、投资套利、套期保值等方面都具有较高的应用价值。

The report says, price reductions are amain reason while more people with HIV including more pregnant women are receiving the drugs.

报告指出，削减药物的价格是使更多艾滋病患者，包括怀孕的妇女，能接受药物治疗的主要原因。

Result:The untonchment of a linit-rod and amain nail was found to be the major reason of the inter-locking nail installation failare in the clinical cases,as the main nail and the guide were disturbed by ontside forces .

结果：在本组病历中，外力干扰交锁髓内钉的主钉和瞄准器，及与冠状面垂直的限位杆与主钉未接触，成为交锁髓内钉锁钉安装困难或失败的主要原因。

This practice is one of the chief reasons for the dramatic decline of this species in western Amazonia.

这种做法，是这种西部亚马逊河的显著下降，主要原因。

The Internet is a major reason for that and will continue to tip the scales in favor of openness, as the very nature of the web is to bring people together outside the ambit of the state.

主要原因是互联网。互联网还将继续在促进开放的过程中发挥关键作用，因为网络的本质就是让人们超越国家的局限走到一起。

Any of various weeds of the genus Ambrosia having small, greenish, unisexual flower heads and producing abundant pollen that is one of the chief causes of hay fever.

豚草一种豚草属的杂草，有绿色、雌雄合一的小花冠，能产大量花粉，是引起干草热的主要原因之一

Myopia is the main cause of ametropia in students.

引起中小学生视力下降的主要原因是近视，做好近视防治工作，对控制中小学生视力不良有重要意义。

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。