因素

Numerous infections have been suspected as environmental disease triggers, but none of them has consistently been incriminated, and it is unclear how so many different infections may play a role.

虽然人们怀疑众多的感染因素是环境疾病的触发因素，但还没有明确的归咎于任何一种感染因素，而且也不清楚如此多的感染因素如何起作用。

This paper possesses intensified interview with the object of social donation-social donator, discovering the three elements of the motivations of social donation activities: the moralized element of mutual help and mutual experience, market element of profit realization, and strengthening element of the futility of donator as well as the novelty of poor-relieving mode.

同时，本文对社会募捐的对象——社会捐赠者进行了深度访谈，发现社会公众捐赠行为的动机主要基于三个因素，即互相帮助、共同体验及回报社会的道德化因素，利益实现的市场化因素，捐赠物品对于捐赠者无用性、扶贫帮困模式新颖性的促进性因素。

In addition, the adjustment of economy structure and the policy about land are the primary driving factors for the conversion among farmland, woodland and grassland; the advantage of economy around central cities and the traffic along river are the leading driving factors for towns outstretching; pursuing economy profit is the significant driving factor for water outstretching; the land policy is the main driving factor for water shrank.

另外，农村经济结构调整和有关耕地政策的出台是耕地、林地与草地相互转换区土地利用变化的主要驱动因素；中心城市对周围区域经济的带动作用和沿江区域特殊的交通优势是城镇扩张区的主要驱动因素；经济利益的驱动是水域扩张区的主要驱动因素；耕地政策是水域缩减区的主要驱动因素。

Results: Single-factor analysis indicated that there were statistics significance of 23 among 30 variables ( P 0.05).The 23 factors can be summered three aspect of family and social、feeding and diet、diseases.

结果：对所调查的30项变量单因素分析表明，有23项两组差异有显著性，可分为家庭和社会因素、喂养及饮食因素、疾病因素三大类。

The quadratic regression orthogonal rotary method was adopted to study the offect of three different mixing homogeneity : mixing time, block coefficient and rotary speed of the paddle shaft, also study the dominant effect, the single effect and interactive effect.

通过二次回归正交旋转组合试验，对影响翻转式双轴桨叶混合机混合均匀度的3个因素(混合时间、充满系数及桨叶轴转速)以及对混合的主效应、单因素效应、两因素间的交互效应进行了分析，并且得出了各因素水平间的最佳组合工艺。

Third, the cash management question produces reason, for example: Economical ingredient multiplication development factor, environmental factor, ideological recognition deviation factor, supervising and managing factor.

三、现金管理问题产生的原因，如：经济成份多元化发展因素、环境因素、思想认识偏差因素、监管因素。

There are many theories behind Bruxism including occlusal theory, psychological theory and central nervous system theory.

产生磨牙的因素很多，包含精神因素，咬合因素以及中枢神经系统因素。

There are many safety factors which are active or passive. It is a important factor that automobile s lights is normal which can give driving signals in light in time according to the driver and good field of view.

影响安全性的因素较多，有主动因素，也有被动因素，汽车车灯正常工作，能否保证驾驶员能即时给出行车信号和在夜间行车的良好视野范围是一个重要因素。

There are three aspects to accommodative orientations:(1)"intrapersonal factors"(e.g., social and personal identities),(2)"intergroup factors"(e.g., factors that reflect communicators' orientations to outgroups, such as perceived ingroup vitality), and "initial orientations"(e.g., perceived potential for conflict; long-term accommodative motivation toward outgroups).

适应倾向&受三个方面因素的影响：（1）个人因素，（2）跨群体因素（反映交际者对外群体倾向的因素，如可察觉的内群体的活力），（3）&初衷（比如察觉潜在冲突，持久的决心去适应其他的群体）。

Results The major occupational hazard factor was dust, physical factors, chemicals and medical radiation. The workers exposed to occupational hazard factors accounted for 35.37% in all workers, which mostly in metals, light industry, building materials, chemicals, machinery, textile, coal and medical institutions.

结果 2007年广西职业病危害因素的种类主要是粉尘、物理因素、化学物质因素、医用辐射；职业病危害因素的接触人数占其职工总人数中的35.37%，主要分布在金属、轻工、建材、化工、机械、纺织、煤炭、医疗机构等8类行业。

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。