Here are some theories proposed by readers and bloggers.
下面是读者和博主提出的一些理论。
Some theories suggest that REM helps regulate body temperature and neurotransmitter levels.
有的理论认为快速眼动帮助调剂人体体温和神经传递素的水平。
Master the complexity of some theories, it is because people want to find a way to save time.
有的大师理论很复杂，那是因为人们想寻找一种节约时间的方法。
Some theories predict it starts steep and later flattens; other theories predict just the opposite.
一些理论认为，丰度在开始时变化很大，而之后趋于平缓；另一些则与之相反。
The researchers did not try to identify the causes of the increase, but they have some theories.
研究者并没有试图搞清楚受伤学生增加的原因，但是他们有他们的理论。
Some theories allege that Obama was born in Kenya, not Hawaii, or that his birth certificate is a forgery.
一些传言宣称奥巴马出生在肯尼亚，并非夏威夷，他的出生证明是伪造的。
Some theories applicable to the treatment of near-synonyms are introduced as the foundation of the present study.
本文还对可应用于同义词辨析处理的一些语言学理论进行了介绍，作为本研究的理论基础。
Some theories credit the introduction of fish into the human diet with the evolution of our tremendous cognitive prowess.
有些理论把人类由进化而来的巨大认知能力归功于在人类的食物中引进了鱼类。
Some theories on why the chain armor that knights used to wear was called mail include the idea that it was hammered together.
一些理论考证说，曾经穿在骑士身上的锁子甲之所以叫做mail(铠甲)，和它是被敲打而成有关。
Main theory basis: to summarize some theories on ecotourism, ISO14001 standards and international standard of ecotourism.
第二部分为主要理论基础，介绍生态旅游、ISO 14001标准和国际生态旅游标准等。
There are some theories that exchange rate appreciation can reduce saving, but the magnitude of the effect is, at best, minute.
有一些理论称，汇率升值可以减少储蓄，但这种做法充其量是收效甚微。
This article also probes into some theories and methods of automatic extraction of information from metadata by using template mining.
并探讨了在元数据中利用模板自动抽取信息的一些原理及方法。
Most of the time, birth, old age, sickness, and death appeared to me merely as some numbers, some variables, some models, and some theories.
虽然，生老病死对我来说，很多时候，只不过是一些数字、一些变量、一些模型、和一些理论而已；
Free cash discharge is a more precise and profound concept than cash discharge, it can even affect understanding some theories of financing.
自由现金流量是一个比现金流量概念更加严谨、更加深厚的财务概念，对此的了解甚至会影响到对某些财务学说的认识。
By researching systematically the working performances of the solenoid-controlled valve, some theories and experimental rules are summarized.
通过系统地研究电磁控制阀的工作性能，总结出各种理论和试验规律。
Scientists do not knowwhy dinosaurs became extinct, but some theories postulate that changersin geography, climate, and sea levels were responsible。
科学家不知道恐龙为何绝种了，但是一些理论推断是地理，气候和海平面的变化造成的。
The observation method is a hypothetical and planned social investigation method for observers to testify some theories and to observe the society.
观察法是观察者为了验证某些理论假设而有计划地对社会现象进行察看的社会调查方法。
Scientists do not know why dinosaurs became extinct, but some theories postulate that changes in geography, climate and sea levels were responsible.
科学家们不知道恐龙为何灭绝，但一些理论假定这与地理气候条件和海平面的某些变化有关。
Some theories, eg. one-to-one marketing, 4rs marketing and supply chain integration, supply a great deal of inspiration to the construction of model.
“一对一”营销、4r营销、以及供应链一体化等思想都为模型的建立提供了许多有益的启示。
Scientists do not know why dinosaurs became extinct, but some theories postulate that changers in geography, climate, and sea levels were responsible.
科学家不知道恐龙为何绝种了，但是一些理论推断是是地理，气候和海平面的变化造成的。
According to the features of barren mountain, some theories and principles of landscape ecological construction are studied based on landscape ecology.
针对荒山特点，运用景观生态学观点对荒山景观生态建设的理论思想和原则问题进行了探讨。
Although it's only been three weeks, the lead-lead collision experiments in the LHC have already ruled out some theories about how the early Universe behaved.
虽然不过三周而已，但大型强子对撞机的铅——铅对撞实验已经排除了一些有关早期宇宙状态的理论。
"We hope the observations will yield some theories that will give us some good explanations as to the mechanism that is causing the flaring," Madrid says.
马德里说：“我们希望观测能够形成一些理论，如此在爆发变亮的形成机制方面给予我们一些好的解释。”
Some theories suggest that the quantum nature of space should manifest itself at the ‘Planck scale’: the minuscule 10-35 of a metre, where a millimetre is 10-3 m.
一些理论物理学家认为宇宙的量子本质应该在“普朗克常数”范围内：即十的负三十五次方米，而一毫米才不过十的负三次方米。
DC motor has good mechanical character and is apt to accomplish varied control rules, and some theories about its controlling are still the basis of ac motor control.
直流电机具有良好的机械特性，易于实现各种控制规律，同时直流传动控制系统的一些理论仍然是交流传动的基础。
DC motor has good mechanical character and is apt to accomplish varied control rules, and some theories about its controlling are still the basis of ac motor control.
直流电机具有良好的机械特性，易于实现各种控制规律，同时直流传动控制系统的一些理论仍然是交流传动的基础。
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