他们的迁徙可能是人口增加引起的，这一人口增长是由人们逃离撒哈拉沙漠的干燥或干涸的迁移造成的。
Their migration may have been set in motion by an increase in population caused by a movement of peoples fleeing the desiccation, or drying up, of the Sahara.
阿斯巴甜(也叫做纽甜或怡口糖，出现在可口可乐和百事可乐的减肥产品中)引起了人们对食用健康的担心，正如四十年前它首次被生产出来一样。
Aspartame (which is marketed as NutraSweet or Equal and appears in products such as Diet Coke and Diet Pepsi) has aroused similar health concerns since it was first produced more than 40 years ago.
据卫生部报道，手足口疾病可以由肠病毒引起。而且(EV71)肠病毒与柯萨奇病毒(CoxA16)是最常见的。
According to the Ministry of Health, HFMD can be caused by a host of intestinal viruses, but EV71 and the Coxsackievirus (Cox A16) were the most common.
世界上最贫穷的五亿人口生活在南亚地区，而每年死于因营养不良引起的疾病或加重病情的五百万儿童也生活在这个地区。
Half of the poorest billion people in the world live in South Asia, as do many of the 5 million children who die every year of diseases caused or exacerbated by malnutrition.
90亿或100亿人口所引起的消耗增长将压倒一切有效利用，我们当前的能源资源也是如此。
With 9 billion or 10 billion people, rising consumption will overwhelm any efficiency, as well as our current sources of energy.
1月出口与12月相较下降4.4%，该数据引起人们担心期望中的出口增长会胎死腹中。
However, dire figures for exports in January (a fall of 4.4% compared with December) aroused fears that the hoped-for boom in exports will be stillborn.
心脏杂音是血流从左心室到升主动脉通过狭窄的主动脉瓣口时产生的湍流引起的噪音。
A heart murmur is simply a noise caused by the turbulence of blood flowing through the obstruction from the right ventricle to the pulmonary artery.
心脏的杂音是血流通过可以使血液混合的缺损口时产生的涡流引起的噪音。
A heart murmur is simply a noise caused by the turbulence of blood flowing through the openings that allow the blood to mix.
有时，较低的口模温度会在口模内表面上生成一个冷却的树脂层，这个树脂层慢慢地移出到口模出口，然后与本体料流分离，从而引起积料。
Sometimes lower die temperatures can create a cool layer of resin on the inner surface of the die that creeps slowly to the die exit and then separates from the bulk flow, causing buildup.
现在几乎在全世界都知道泰森口咬霍利菲尔德的事情，这既是拳击事业的耻辱，同时也是拳击在社会上引起社会效应的一个途径。
Now almost all over the world I know Tyson biting Holyfield things, this is a disgrace to boxing career, but also boxing in the community from the social effects of a channel.
他们可以产生“球阀”效应，引起房室瓣口间歇性关闭。
They can produce a "ball valve" effect by intermittently occluding the atrioventricular valve orifice.
来尝一口吧！-我也想啊，可那会引起我耳朵瘙痒的。
让对象离玩家有一个最小距离，因为离视口太近会引起疑惑和眩晕症。
Keep objects a minimum distance from the user as objects too close to the viewer can cause confusion and simulator sickness.
有可能是由于有缺口的药剂注射口，配件或者是软管破裂引起的泄漏。
It may be leaking through a defective chemical injector, fitting, or ruptured hose.
对于一口特定的井，经营者需要最大程度提高支撑剂用量，并减少压裂液中大分子物质引起的裂缝面损害。
For a particular well, an operator needed to maximize the proppant amount per foot of lateral while reducing the fracture face damage caused by polymer presence in the fracturing fluid.
隧道内口可吸收螺钉挤压固定，愈合后内口消失，可避免韧带撞击内口使之逐渐扩大引起重建韧带松弛。
The tunnel disappears after the screw is absorbed, avoiding the ligament's bump toward the inside tunnel, which leads to gradual extension of the inside tunnel and cause the ligament flabby.
一种叫肠病毒的病原体引起手足口病的感染。
这一对口就业率和就业市场需求的反差引起许多高职院校物流专业教师的深思。
The contrast of the counterpart employment rate and job market demand cause many thinking of the logistics major teachers in higher vocational colleges.
现时肠病毒71型是引起手足口病的主要致病原。
这是一个真的趋势，考虑到口咽部肿瘤发生正在以惊人的速度在增加，这种发展趋势引起了人们对该病流行的关注。
This is a real trend, and that is why there is concern of an epidemic given that fact that oropharyngeal cancer is increasing at an alarming rate.
关于大汶口文化中出现的陶刻符号，就其意义问题，曾引起学术界的热烈争论。
There was once a heated debate on the meanings of the signs on the pottery of the Dawenkou culture.
城市地面交通的拥塞主要是由于交叉口的信号配时引起的，由此限制了路段的通行能力。
Congestion of urban traffic is mostly due to the problem of signal timing at intersections, which limits the full usage of roads.
对内河挖入式港池发生淤积的原因进行分析，认为淤积主要是由口门处的回流及浑水异重流引起的。
Based on the analysis of the reason of sedimentation in dig-in basins, it is considered that sedimentation is brought primarily by circumfluence at the basin entrance and density flow.
利用潮波基本方程数值模拟了湾口朝南的不同矩形海湾和曲折岸线海湾中海平面上升引起的潮位振幅和位相变化。
Numerical modeling of the changes of tidal amplitude and phase due to the MSL rise was made by the use of tidal basic equations in rectangular bays with mouths open to the south and tortuous bays.
宝宝出生了，因为他的长相引起许多争议，这也使丑娘倍受煎熬，但越长越漂亮的小宝宝终于让王大春松了一口气。
Baby come out , his looking arise many argument but baby is growing more pretty and pretty , dachu can relax.
对内河挖入式港池发生淤积的原因进行分析，认为淤积主要是由口门处的回流及浑水异重流引起的。
This paper defines the "return flow" problem in first place, and then analyzes the impacts of return-flow on the process of water market.
对内河挖入式港池发生淤积的原因进行分析，认为淤积主要是由口门处的回流及浑水异重流引起的。
This paper defines the "return flow" problem in first place, and then analyzes the impacts of return-flow on the process of water market.
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