Research shows that this could be mainly caused by improper use of backpacks.
研究表明，这可能主要是由于使用背包不当造成的。
The hypopotassemia may be mainly caused by in-creased tone in sympathetic-catecholamine system.
低血钾的产生主要由于交感-儿茶酚胺系统紧张性增高所致。
The wheel flange wear is caused by the flange action of the wheel and rail, whereas the double-groove wear on tread may be mainly caused by the break shoe.
轮缘磨耗主要是轮轨相互作用的结果，而踏面上的凹槽磨耗可能主要由闸瓦制动引起。
Conclusion the acne in adolescent female patients may be mainly caused by the less secretion of the estrogen which lead to rising the serum levels of the testosterone relatively.
结论青春期女性痤疮患者发病的主要原因可能是由于雌激素分泌不足，使血清内睾酮水平相对增多所致。
This can be attributed, in part, to the fact that any cracking caused by the earthquake has mainly been horizontal and located high in the dam together with the reservoir not being full in many cases.
这是因为地震引起的裂缝主要是水平方向的，而且位于大坝的高处，水库一般都不是足量蓄水。
In spite of the improvement in rolling techniques and roll performance, spalling of roll surfaces, mainly caused by pinching and skidding of strip, cannot be avoided.
尽管辊子的技术和性能提高了，但是主要由缠辊和刹车引起辊子表面的剥落仍然不可避免。
Dehydration is mainly caused by warm weather in which it can be an early sign of something more serious such as heat stroke.
由于高温天气引起的脱水现象也很可能是中暑之类的严重问题的前兆。
Research has believed that veining in admission and exhaust passage of diesel engine cylinder head may mainly be caused by crack of sand core occurring in high temperature phase change expansion.
研究认为，柴油机气缸盖进、排气道脉纹的产生主要是由硅砂高温发生相变膨胀导致砂芯开裂引起的。
By means of negative feedback, the motor's speed fluctuation of the device, caused mainly by voltage fluctuation of power supply, can be controlled.
采用电压负反馈法，控制主要由供电电网产生电源电压波动而引起的储纬器电机转速波动。
In indirect siderotic retina with mild atrophy, the morphological change of photoreceptors may mainly be caused by abnormally increasing activity of phagocytic function of RPE.
在间接铁锈症的轻度萎缩性视网膜病变中，导致感光细胞形态学改变的重要原因，可能是RPE吞噬功能异常增高。
This paper mainly talks about measures of installing such elevators in electricity so as to prevent accidents that may be caused by building material elevators.
文中介绍了物料提升机在用电安装等方面的措施，来预防建筑施工中物料提升机安全事故的发生。
Renal anemia is mostly caused by insufficient EPO produced by kidney, which mainly required to be treated with external EPO.
肾性贫血主要是由于肾脏产生红细胞生成素(EPO)不足而引起，这类贫血主要靠补充外源性EPO进行治疗。
The results suggest that the specific biophysical feature along meridians may be caused by a continuous rich distribution of interstitial fluid which mainly contains salt, water and protein.
结果提示，经脉线上的生物物理特异性可能是由于经脉线下的组织中含有较丰富并且连续分布的组织液，其主要成分为盐、水和蛋白质。
Conclusions Hemospermia is mainly caused by lower urinary tract infection, especially by vesiculitis and prostatitis, which can be treated effectively with finasteride combined with antibiotics.
结论血精症主要是下尿路生殖道的炎症，尤其是精囊和前列腺炎引起，联合抗生素和非那雄胺治疗是治疗炎症性血精症的有效方法。
The corrosion failure of Ni-P alloy plating was mainly caused by pitting and the process can be divided into initial stage of corrosion, propagation stage and penetration stage of pitting.
结果表明，空冷器管束在失效环境中发生了腐蚀减薄和穿孔泄漏的主要原因是电化学腐蚀、坑蚀、湍流腐蚀和冲蚀以及他们的交互作用引起的。
Our project will be mainly based on analysing the chocolate company 'Cadbury' and their trend in sales, along with other factors which has caused the takeover of Cadbury by Kraft Foods.
我们的项目将主要分析巧克力公司吉百利和他们的销售趋势，以及已经被卡夫吉百利引起的收购等因素的影响。
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.
其中主要为无线衰落信道中的多径传播和散射引起的信号衰落，以及大的多径时延而引起的符号间干扰。
The consumption of caustic soda is mainly caused by formation of sodium hydrate aluminosilicate and it can be calculated from the ratio of N/S of red mud.
拜耳法生产氧化铝的过程中，碱耗的主要原因是因为有钠硅渣的生成，碱耗可以用赤泥钠硅比（N/S）表征。
On fluorescein angiography, diabetic macular edema appears to be caused by leakage mainly from micro - aneurysms and short dilated capillary segments.
在荧光素眼底血管造影中发现，导致黄斑水肿的渗漏主要来源于微动脉瘤和扩张的毛细血管。
On fluorescein angiography, diabetic macular edema appears to be caused by leakage mainly from micro - aneurysms and short dilated capillary segments.
在荧光素眼底血管造影中发现，导致黄斑水肿的渗漏主要来源于微动脉瘤和扩张的毛细血管。
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